./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9 --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 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:40:54,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:40:54,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:40:54,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:40:54,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:40:54,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:40:54,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:40:54,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:40:54,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:40:54,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:40:54,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:40:54,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:40:54,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:40:54,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:40:54,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:40:54,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:40:54,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:40:54,470 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:40:54,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:40:54,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:40:54,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:40:54,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:40:54,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:40:54,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:40:54,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:40:54,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:54,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:40:54,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:40:54,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:40:54,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:40:54,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:40:54,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:40:54,477 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_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 [2023-12-02 22:40:54,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:40:54,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:40:54,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:40:54,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:40:54,704 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:40:54,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2023-12-02 22:40:57,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:40:57,757 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:40:57,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2023-12-02 22:40:57,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data/d97cc3d2b/3c68c0d76618431d9eef5f46e6601708/FLAG9d1ee921d [2023-12-02 22:40:57,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data/d97cc3d2b/3c68c0d76618431d9eef5f46e6601708 [2023-12-02 22:40:57,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:40:57,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:40:57,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:57,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:40:57,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:40:57,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:57" (1/1) ... [2023-12-02 22:40:57,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bac9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:57, skipping insertion in model container [2023-12-02 22:40:57,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:57" (1/1) ... [2023-12-02 22:40:57,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:40:58,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:58,631 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:40:58,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:40:58,810 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:40:58,810 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:40:58,810 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:40:58,810 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:40:58,811 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:40:58,816 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:40:58,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58 WrapperNode [2023-12-02 22:40:58,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:40:58,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:58,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:40:58,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:40:58,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,873 INFO L138 Inliner]: procedures = 500, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-12-02 22:40:58,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:40:58,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:40:58,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:40:58,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:40:58,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:40:58,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:40:58,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:40:58,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:40:58,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:58" (1/1) ... [2023-12-02 22:40:58,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:40:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:40:58,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:40:58,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:40:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:40:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:40:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:40:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:40:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:40:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:40:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:40:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:40:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:40:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:40:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:40:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:40:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:40:59,099 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:40:59,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:40:59,220 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:40:59,259 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:40:59,260 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:40:59,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:59 BoogieIcfgContainer [2023-12-02 22:40:59,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:40:59,262 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:40:59,262 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:40:59,273 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:40:59,273 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:59" (1/1) ... [2023-12-02 22:40:59,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:40:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 22:40:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 22:40:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:40:59,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:59,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:40:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:41:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-02 22:41:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-02 22:41:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:41:00,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:00,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:41:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:00,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:41:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:00,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:41:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:00,179 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:41:00,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 22:41:00,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:41:00 ImpRootNode [2023-12-02 22:41:00,210 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:41:00,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:41:00,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:41:00,211 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:41:00,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:59" (3/4) ... [2023-12-02 22:41:00,214 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:41:00,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:41:00,216 INFO L158 Benchmark]: Toolchain (without parser) took 2416.14ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 86.2MB in the beginning and 92.8MB in the end (delta: -6.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-12-02 22:41:00,216 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:00,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1016.31ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 86.2MB in the beginning and 92.9MB in the end (delta: -6.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-12-02 22:41:00,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.51ms. Allocated memory is still 172.0MB. Free memory was 92.9MB in the beginning and 89.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:41:00,218 INFO L158 Benchmark]: Boogie Preprocessor took 29.48ms. Allocated memory is still 172.0MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:00,219 INFO L158 Benchmark]: RCFGBuilder took 357.43ms. Allocated memory is still 172.0MB. Free memory was 88.7MB in the beginning and 71.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:41:00,219 INFO L158 Benchmark]: CodeCheck took 947.56ms. Allocated memory is still 172.0MB. Free memory was 71.9MB in the beginning and 92.8MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:00,219 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 172.0MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:00,223 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1571. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=46, argc=46, argv={45:47}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_add_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={5855:0}, dataArray={5855:0}, 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 0.23ms. Allocated memory is still 138.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1016.31ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 86.2MB in the beginning and 92.9MB in the end (delta: -6.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.51ms. Allocated memory is still 172.0MB. Free memory was 92.9MB in the beginning and 89.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.48ms. Allocated memory is still 172.0MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.43ms. Allocated memory is still 172.0MB. Free memory was 88.7MB in the beginning and 71.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 947.56ms. Allocated memory is still 172.0MB. Free memory was 71.9MB in the beginning and 92.8MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 172.0MB. Free memory is still 92.8MB. 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 #t~nondet102 - 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 [2023-12-02 22:41:00,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9 --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 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:41:02,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:41:02,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:41:02,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:41:02,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:41:02,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:41:02,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:41:02,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:41:02,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:41:02,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:41:02,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:41:02,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:41:02,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:41:02,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:41:02,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:41:02,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:41:02,259 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:41:02,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:41:02,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:41:02,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:41:02,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:41:02,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:41:02,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:41:02,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:41:02,263 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:02,263 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:41:02,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:41:02,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:41:02,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:41:02,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:41:02,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:41:02,266 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:41:02,267 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:02,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:41:02,267 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:41:02,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:41:02,267 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_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 [2023-12-02 22:41:02,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:41:02,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:41:02,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:41:02,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:41:02,573 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:41:02,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2023-12-02 22:41:05,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:41:05,686 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:41:05,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2023-12-02 22:41:05,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data/53af310d0/aec725fe0fde4546996dd17fda1c3e26/FLAG78db743d9 [2023-12-02 22:41:05,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/data/53af310d0/aec725fe0fde4546996dd17fda1c3e26 [2023-12-02 22:41:05,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:41:05,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:41:05,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:41:05,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:41:05,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:41:05,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:05" (1/1) ... [2023-12-02 22:41:05,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed076c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:05, skipping insertion in model container [2023-12-02 22:41:05,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:05" (1/1) ... [2023-12-02 22:41:05,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:41:06,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:41:06,612 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:41:06,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:41:06,806 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:41:06,807 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:41:06,807 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:41:06,807 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:41:06,807 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:41:06,813 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:41:06,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06 WrapperNode [2023-12-02 22:41:06,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:41:06,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:41:06,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:41:06,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:41:06,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,874 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-12-02 22:41:06,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:41:06,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:41:06,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:41:06,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:41:06,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:41:06,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:41:06,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:41:06,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:41:06,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:06" (1/1) ... [2023-12-02 22:41:06,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:41:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:41:06,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:41:06,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:41:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:41:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:41:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:41:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:41:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:41:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:41:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:41:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:41:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:41:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:41:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:41:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:41:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:41:07,170 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:41:07,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:41:07,313 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:41:07,357 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:41:07,357 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:41:07,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:07 BoogieIcfgContainer [2023-12-02 22:41:07,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:41:07,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:41:07,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:41:07,370 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:41:07,370 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:07" (1/1) ... [2023-12-02 22:41:07,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:41:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 22:41:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 22:41:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:41:07,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:07,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:07,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:07,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:07,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:41:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:07,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:41:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:07,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:41:07,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:41:07,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:41:07,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 22:41:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 22:41:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:41:07,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:07,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:41:07,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:41:07,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:41:07,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:41:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:07,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:41:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:08,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:41:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:41:08,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:41:08,460 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:41:08,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 22:41:08,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:41:08 ImpRootNode [2023-12-02 22:41:08,489 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:41:08,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:41:08,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:41:08,490 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:41:08,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:07" (3/4) ... [2023-12-02 22:41:08,492 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:41:08,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:41:08,493 INFO L158 Benchmark]: Toolchain (without parser) took 2763.26ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 74.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-02 22:41:08,494 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:08,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1082.84ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 49.3MB in the end (delta: 34.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-12-02 22:41:08,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.22ms. Allocated memory is still 111.1MB. Free memory was 49.3MB in the beginning and 46.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:41:08,496 INFO L158 Benchmark]: Boogie Preprocessor took 38.00ms. Allocated memory is still 111.1MB. Free memory was 46.2MB in the beginning and 43.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:41:08,496 INFO L158 Benchmark]: RCFGBuilder took 444.55ms. Allocated memory is still 111.1MB. Free memory was 43.6MB in the beginning and 67.1MB in the end (delta: -23.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-12-02 22:41:08,497 INFO L158 Benchmark]: CodeCheck took 1129.43ms. Allocated memory is still 111.1MB. Free memory was 67.1MB in the beginning and 74.6MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:08,497 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 74.0MB in the end (delta: 683.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:41:08,501 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 12 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, 12 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 83 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: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_add_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={6:0}, dataArray={6:0}, 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 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1082.84ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 49.3MB in the end (delta: 34.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.22ms. Allocated memory is still 111.1MB. Free memory was 49.3MB in the beginning and 46.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.00ms. Allocated memory is still 111.1MB. Free memory was 46.2MB in the beginning and 43.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.55ms. Allocated memory is still 111.1MB. Free memory was 43.6MB in the beginning and 67.1MB in the end (delta: -23.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * CodeCheck took 1129.43ms. Allocated memory is still 111.1MB. Free memory was 67.1MB in the beginning and 74.6MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 74.0MB in the end (delta: 683.8kB). 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 #t~nondet100 - 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 [2023-12-02 22:41:08,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47aae322-2b03-483e-9905-b8a89627465b/bin/ukojak-verify-Qdu7aM0XO9/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