./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_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_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/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_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/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_126d6e80-e27b-4175-9ac5-2c11b3e188db/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 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:13:54,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:13:55,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:13:55,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:13:55,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:13:55,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:13:55,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:13:55,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:13:55,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:13:55,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:13:55,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:13:55,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:13:55,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:13:55,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:13:55,033 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:13:55,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:13:55,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:13:55,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:55,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:13:55,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:13:55,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:13:55,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:13:55,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:13:55,034 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_126d6e80-e27b-4175-9ac5-2c11b3e188db/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 -> 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 [2024-12-06 00:13:55,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:13:55,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:13:55,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:13:55,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:13:55,287 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:13:55,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i [2024-12-06 00:13:57,932 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/e19ba7130/bc6c20859ff14d6898cd2d1811c5ec0d/FLAGb7d439910 [2024-12-06 00:13:58,221 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:13:58,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i [2024-12-06 00:13:58,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/e19ba7130/bc6c20859ff14d6898cd2d1811c5ec0d/FLAGb7d439910 [2024-12-06 00:13:58,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/e19ba7130/bc6c20859ff14d6898cd2d1811c5ec0d [2024-12-06 00:13:58,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:13:58,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:13:58,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:58,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:13:58,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:13:58,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:58" (1/1) ... [2024-12-06 00:13:58,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aebc6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:58, skipping insertion in model container [2024-12-06 00:13:58,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:13:58" (1/1) ... [2024-12-06 00:13:58,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:13:59,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:59,137 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:13:59,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:13:59,309 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:13:59,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59 WrapperNode [2024-12-06 00:13:59,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:13:59,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:59,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:13:59,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:13:59,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,347 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-12-06 00:13:59,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:13:59,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:13:59,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:13:59,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:13:59,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,362 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:13:59,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:13:59,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:13:59,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:13:59,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:13:59,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:13:59,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:13:59,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:13:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:13:59,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:13:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:13:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:13:59,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:13:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:13:59,551 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:13:59,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:13:59,648 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 00:13:59,648 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:13:59,680 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:13:59,680 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:13:59,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:13:59 BoogieIcfgContainer [2024-12-06 00:13:59,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:13:59,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:13:59,682 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:13:59,691 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:13:59,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:13:59" (1/1) ... [2024-12-06 00:13:59,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:13:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:13:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:13:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:13:59,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:59,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:13:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:59,974 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 00:14:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 00:14:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 00:14:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:14:00,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:00,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:00,039 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:14:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:00,110 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:14:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:00,137 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:14:00,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:14:00 ImpRootNode [2024-12-06 00:14:00,162 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:14:00,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:14:00,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:14:00,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:14:00,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:13:59" (3/4) ... [2024-12-06 00:14:00,165 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:14:00,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:14:00,167 INFO L158 Benchmark]: Toolchain (without parser) took 1682.53ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 59.5MB in the end (delta: 55.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 00:14:00,167 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:00,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.15ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 107.2MB in the end (delta: 8.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 00:14:00,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:14:00,168 INFO L158 Benchmark]: Boogie Preprocessor took 20.38ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:00,169 INFO L158 Benchmark]: RCFGBuilder took 311.68ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 89.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:14:00,169 INFO L158 Benchmark]: CodeCheck took 480.50ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 59.5MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:14:00,169 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:00,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 51 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, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of fgets at line 1552. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_preinc_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.15ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 107.2MB in the end (delta: 8.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.38ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.68ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 89.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 480.50ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 59.5MB in the end (delta: 30.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 59.5MB. 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 00:14:00,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/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_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/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_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/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_126d6e80-e27b-4175-9ac5-2c11b3e188db/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 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:14:02,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:14:02,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:14:02,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:14:02,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:14:02,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:14:02,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:14:02,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:14:02,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:14:02,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:14:02,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:14:02,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:14:02,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:02,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:14:02,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:14:02,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:14:02,222 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:14:02,222 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:02,222 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:14:02,222 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_126d6e80-e27b-4175-9ac5-2c11b3e188db/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 -> 9700c829297b3a0f92af476eb51e423ad169b0e3125adb7d75785384f84a7424 [2024-12-06 00:14:02,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:14:02,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:14:02,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:14:02,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:14:02,461 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:14:02,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i [2024-12-06 00:14:05,178 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/018fe562c/dbec4c1f40964bdaa368633cadf62830/FLAG78916e8bf [2024-12-06 00:14:05,481 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:14:05,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_42_bad.i [2024-12-06 00:14:05,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/018fe562c/dbec4c1f40964bdaa368633cadf62830/FLAG78916e8bf [2024-12-06 00:14:05,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/data/018fe562c/dbec4c1f40964bdaa368633cadf62830 [2024-12-06 00:14:05,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:14:05,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:14:05,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:05,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:14:05,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:14:05,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:05" (1/1) ... [2024-12-06 00:14:05,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de1bb5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:05, skipping insertion in model container [2024-12-06 00:14:05,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:05" (1/1) ... [2024-12-06 00:14:05,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:14:06,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:06,389 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:14:06,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:06,602 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:14:06,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06 WrapperNode [2024-12-06 00:14:06,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:06,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:06,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:14:06,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:14:06,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,644 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-12-06 00:14:06,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:06,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:14:06,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:14:06,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:14:06,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:14:06,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:14:06,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:14:06,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:14:06,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:06,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:06,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:14:06,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:14:06,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:14:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:14:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:14:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:14:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:14:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:14:06,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:14:06,839 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:14:06,840 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:14:06,950 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 00:14:06,950 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:14:06,985 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:14:06,985 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:14:06,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:06 BoogieIcfgContainer [2024-12-06 00:14:06,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:14:06,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:14:06,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:14:06,995 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:14:06,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:06" (1/1) ... [2024-12-06 00:14:07,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:14:07,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 00:14:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 00:14:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:14:07,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:07,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:07,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:07,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:07,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:14:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:07,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:07,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:14:07,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:07,230 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 00:14:07,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:14:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 00:14:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 00:14:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:14:07,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:07,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:07,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:07,256 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:07,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:14:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:07,396 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:14:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:07,512 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:14:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:14:07,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:14:07,542 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:14:07,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:14:07 ImpRootNode [2024-12-06 00:14:07,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:14:07,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:14:07,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:14:07,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:14:07,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:06" (3/4) ... [2024-12-06 00:14:07,572 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:14:07,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:14:07,574 INFO L158 Benchmark]: Toolchain (without parser) took 1842.54ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 43.1MB in the end (delta: 22.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-06 00:14:07,574 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:07,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.78ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.1MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 00:14:07,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.68ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:07,575 INFO L158 Benchmark]: Boogie Preprocessor took 24.85ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:07,575 INFO L158 Benchmark]: RCFGBuilder took 314.49ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 41.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:14:07,576 INFO L158 Benchmark]: CodeCheck took 581.65ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 43.2MB in the end (delta: -1.8MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-12-06 00:14:07,577 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 92.3MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:14:07,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of fgets at line 1552. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_preinc_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1569] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.78ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.1MB in the end (delta: 3.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.68ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.85ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.49ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 41.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 581.65ms. Allocated memory is still 92.3MB. Free memory was 41.4MB in the beginning and 43.2MB in the end (delta: -1.8MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 92.3MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 18.4kB). 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 00:14:07,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_126d6e80-e27b-4175-9ac5-2c11b3e188db/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