./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2 --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 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:17,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:17,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:37:17,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:17,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:17,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:17,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:17,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:17,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:17,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:17,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:17,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:17,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:17,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:17,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:17,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:17,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:17,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:17,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:17,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:17,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:17,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:17,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:17,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:17,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:17,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:17,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:17,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:17,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:17,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:17,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:17,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:17,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 [2023-11-21 18:37:17,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:17,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:17,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:17,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:17,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:17,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-21 18:37:21,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:21,545 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:21,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-21 18:37:21,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data/ad7e1b073/d152387578d74fcba5acec5e67fe4850/FLAGca9f6e49f [2023-11-21 18:37:21,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data/ad7e1b073/d152387578d74fcba5acec5e67fe4850 [2023-11-21 18:37:21,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:21,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:21,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:21,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:21,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:21,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:21" (1/1) ... [2023-11-21 18:37:21,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba0ea7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:21, skipping insertion in model container [2023-11-21 18:37:21,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:21" (1/1) ... [2023-11-21 18:37:21,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:22,157 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:22,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:22,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:22,979 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:23,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:23,235 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:23,236 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:23,236 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:23,236 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:23,237 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:23,237 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:23,245 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:23,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23 WrapperNode [2023-11-21 18:37:23,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:23,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:23,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:23,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:23,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,373 INFO L138 Inliner]: procedures = 501, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-21 18:37:23,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:23,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:23,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:23,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:23,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:23,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:23,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:23,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:23,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:23,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:23,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:23,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:37:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:37:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:37:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:37:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:37:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:37:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:37:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:23,689 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:23,692 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:23,833 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:23,875 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:23,875 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:37:23,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:23 BoogieIcfgContainer [2023-11-21 18:37:23,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:23,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:23,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:23,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:23,893 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:23" (1/1) ... [2023-11-21 18:37:23,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:37:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:37:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:23,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:37:24,695 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:37:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:24,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:24,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:37:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:24,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:37:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:24,932 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:37:24,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-21 18:37:24,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-21 18:37:24,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:37:24 ImpRootNode [2023-11-21 18:37:24,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:37:24,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:37:24,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:37:24,968 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:37:24,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:23" (3/4) ... [2023-11-21 18:37:24,971 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:37:24,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:37:24,973 INFO L158 Benchmark]: Toolchain (without parser) took 3359.12ms. Allocated memory is still 157.3MB. Free memory was 108.3MB in the beginning and 111.6MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:24,974 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:24,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1629.68ms. Allocated memory is still 157.3MB. Free memory was 108.3MB in the beginning and 116.9MB in the end (delta: -8.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:24,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.17ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 113.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:37:24,976 INFO L158 Benchmark]: Boogie Preprocessor took 76.43ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:24,977 INFO L158 Benchmark]: RCFGBuilder took 425.51ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 95.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:37:24,977 INFO L158 Benchmark]: CodeCheck took 1088.96ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 111.6MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:24,978 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 157.3MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:24,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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); [L1575] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={69:70}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={11497:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1629.68ms. Allocated memory is still 157.3MB. Free memory was 108.3MB in the beginning and 116.9MB in the end (delta: -8.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.17ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 113.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.43ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 112.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.51ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 95.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1088.96ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 111.6MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 157.3MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:37:25,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2 --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 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:27,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:27,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:37:28,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:28,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:28,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:28,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:28,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:28,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:28,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:28,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:28,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:28,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:28,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:28,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:37:28,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:37:28,054 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:28,055 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:37:28,055 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:28,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:28,056 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:28,057 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:28,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:28,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:28,059 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:37:28,059 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:37:28,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:28,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:28,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:28,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:28,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:28,063 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:37:28,063 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:37:28,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:28,064 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:37:28,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:37:28,064 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e96425cf6306e577fc0f57b7370846a01258c7d5fcb3ad4be19d3433ecd6fe3 [2023-11-21 18:37:28,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:28,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:28,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:28,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:28,515 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:28,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-21 18:37:31,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:32,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:32,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_bad.i [2023-11-21 18:37:32,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data/30b79ecfe/79ce5096fe9248d08df47b5e8ecad849/FLAG3f665e9b2 [2023-11-21 18:37:32,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/data/30b79ecfe/79ce5096fe9248d08df47b5e8ecad849 [2023-11-21 18:37:32,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:32,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:32,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:32,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:32,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:32,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:32" (1/1) ... [2023-11-21 18:37:32,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fcbfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:32, skipping insertion in model container [2023-11-21 18:37:32,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:32" (1/1) ... [2023-11-21 18:37:32,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:32,715 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:33,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:33,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:33,565 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:33,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:33,805 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:33,805 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:33,805 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:33,805 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:33,806 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:33,806 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:33,814 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:33,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33 WrapperNode [2023-11-21 18:37:33,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:33,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:33,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:33,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:33,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,883 INFO L138 Inliner]: procedures = 506, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-11-21 18:37:33,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:33,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:33,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:33,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:33,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:33,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:33,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:33,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:33,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:33,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:33,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:33,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:37:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:37:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:37:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:37:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:34,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:37:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:37:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:37:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:37:34,211 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:34,216 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:34,461 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:34,504 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:34,504 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:37:34,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:34 BoogieIcfgContainer [2023-11-21 18:37:34,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:34,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:34,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:34,518 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:34,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:34,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:34,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:37:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:37:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:34,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:34,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:37:34,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:37:34,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:37:34,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:37:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:34,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:37:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:34,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:34,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:34,958 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:37:34,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:37:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:37:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:37:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:35,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:35,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:37:35,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:37:35,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:37:35,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:37:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:35,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:37:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:35,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:37:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:37:36,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:37:36,482 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:37:36,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-21 18:37:36,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-21 18:37:36,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:37:36 ImpRootNode [2023-11-21 18:37:36,531 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:37:36,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:37:36,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:37:36,532 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:37:36,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:34" (3/4) ... [2023-11-21 18:37:36,535 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:37:36,536 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:37:36,537 INFO L158 Benchmark]: Toolchain (without parser) took 4409.39ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 55.6MB in the beginning and 60.5MB in the end (delta: -4.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-21 18:37:36,538 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:36,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1681.75ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 55.6MB in the beginning and 56.3MB in the end (delta: -687.4kB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-21 18:37:36,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.12ms. Allocated memory is still 104.9MB. Free memory was 56.3MB in the beginning and 53.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:36,541 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 104.9MB. Free memory was 53.3MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:36,548 INFO L158 Benchmark]: RCFGBuilder took 582.12ms. Allocated memory is still 104.9MB. Free memory was 51.1MB in the beginning and 62.8MB in the end (delta: -11.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:36,549 INFO L158 Benchmark]: CodeCheck took 2024.08ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-21 18:37:36,551 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 104.9MB. Free memory was 61.0MB in the beginning and 60.5MB in the end (delta: 590.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:36,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 94 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 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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); [L1575] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE190_Integer_Overflow__int_fgets_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={-9223372036854775806:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1681.75ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 55.6MB in the beginning and 56.3MB in the end (delta: -687.4kB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.12ms. Allocated memory is still 104.9MB. Free memory was 56.3MB in the beginning and 53.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 104.9MB. Free memory was 53.3MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.12ms. Allocated memory is still 104.9MB. Free memory was 51.1MB in the beginning and 62.8MB in the end (delta: -11.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * CodeCheck took 2024.08ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 104.9MB. Free memory was 61.0MB in the beginning and 60.5MB in the end (delta: 590.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:37:36,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81df8a15-8644-4890-8c16-79ccef68ba0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample