./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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 b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:55:38,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:55:38,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:55:38,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:55:38,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:55:38,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:55:38,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:55:38,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:55:38,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:55:38,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:55:38,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:55:38,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:55:38,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:55:38,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:55:38,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:55:38,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:55:38,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:55:38,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:55:38,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:55:38,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:55:38,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:55:38,632 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:55:38,632 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:55:38,633 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:55:38,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:55:38,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:55:38,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:55:38,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:55:38,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:55:38,635 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:55:38,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:55:38,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:55:38,636 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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 [2023-12-02 21:55:38,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:55:38,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:55:38,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:55:38,885 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:55:38,885 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:55:38,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2023-12-02 21:55:41,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:55:41,915 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:55:41,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2023-12-02 21:55:41,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data/87e8dc899/36097db88e3e40209c3c69d77c2472ab/FLAGd44b55d0f [2023-12-02 21:55:41,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data/87e8dc899/36097db88e3e40209c3c69d77c2472ab [2023-12-02 21:55:41,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:55:41,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:55:41,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:41,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:55:41,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:55:41,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:41" (1/1) ... [2023-12-02 21:55:41,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bdc36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:41, skipping insertion in model container [2023-12-02 21:55:41,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:41" (1/1) ... [2023-12-02 21:55:42,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:55:42,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:42,725 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:55:42,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:42,927 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:42,928 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:42,928 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:42,928 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:42,928 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:42,936 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:55:42,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42 WrapperNode [2023-12-02 21:55:42,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:42,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:42,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:55:42,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:55:42,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:42,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:42,996 INFO L138 Inliner]: procedures = 500, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-12-02 21:55:42,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:42,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:55:42,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:55:42,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:55:43,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:55:43,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:55:43,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:55:43,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:55:43,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:42" (1/1) ... [2023-12-02 21:55:43,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:55:43,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:55:43,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:55:43,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:55:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:55:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:55:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:55:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:55:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 21:55:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:55:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:55:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:55:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:55:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:55:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:55:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:55:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:55:43,278 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:55:43,280 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:55:43,401 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:55:43,438 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:55:43,439 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:55:43,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:43 BoogieIcfgContainer [2023-12-02 21:55:43,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:55:43,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:55:43,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:55:43,451 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:55:43,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:43" (1/1) ... [2023-12-02 21:55:43,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:55:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:55:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:55:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:43,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:43,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:43,985 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 21:55:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 21:55:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 21:55:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:55:44,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:44,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:44,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:55:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:44,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:55:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:44,237 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:55:44,262 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:55:44,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:55:44 ImpRootNode [2023-12-02 21:55:44,267 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:55:44,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:55:44,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:55:44,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:55:44,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:43" (3/4) ... [2023-12-02 21:55:44,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:55:44,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:55:44,273 INFO L158 Benchmark]: Toolchain (without parser) took 2311.86ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 40.4MB in the end (delta: 47.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-12-02 21:55:44,274 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:55:44,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.58ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 49.9MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 21:55:44,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.98ms. Allocated memory is still 136.3MB. Free memory was 49.9MB in the beginning and 46.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:55:44,291 INFO L158 Benchmark]: Boogie Preprocessor took 27.61ms. Allocated memory is still 136.3MB. Free memory was 46.8MB in the beginning and 44.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:55:44,291 INFO L158 Benchmark]: RCFGBuilder took 414.82ms. Allocated memory is still 136.3MB. Free memory was 44.9MB in the beginning and 91.9MB in the end (delta: -46.9MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-12-02 21:55:44,292 INFO L158 Benchmark]: CodeCheck took 826.26ms. Allocated memory is still 136.3MB. Free memory was 91.9MB in the beginning and 40.4MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 21:55:44,292 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 136.3MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:55:44,296 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: 0.8s, 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, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=74, argc=74, argv={73:75}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={7:0}, dataPtr={7:0}, 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 0.18ms. Allocated memory is still 102.8MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.58ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 49.9MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.98ms. Allocated memory is still 136.3MB. Free memory was 49.9MB in the beginning and 46.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.61ms. Allocated memory is still 136.3MB. Free memory was 46.8MB in the beginning and 44.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.82ms. Allocated memory is still 136.3MB. Free memory was 44.9MB in the beginning and 91.9MB in the end (delta: -46.9MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * CodeCheck took 826.26ms. Allocated memory is still 136.3MB. Free memory was 91.9MB in the beginning and 40.4MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 136.3MB. Free memory is still 40.4MB. 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 21:55:44,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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 b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:55:46,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:55:46,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:55:46,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:55:46,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:55:46,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:55:46,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:55:46,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:55:46,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:55:46,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:55:46,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:55:46,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:55:46,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:55:46,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:55:46,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:55:46,403 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:55:46,403 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:55:46,404 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:55:46,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:55:46,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:55:46,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:55:46,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:55:46,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:55:46,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:55:46,408 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:46,408 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:55:46,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:55:46,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:55:46,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:55:46,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:55:46,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:55:46,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:55:46,411 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:46,412 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:55:46,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:55:46,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:55:46,412 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_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 [2023-12-02 21:55:46,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:55:46,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:55:46,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:55:46,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:55:46,725 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:55:46,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2023-12-02 21:55:49,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:55:49,845 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:55:49,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2023-12-02 21:55:49,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data/f87c469cf/ae9257729f4443ffacbbac57b6374a00/FLAG547b01e6e [2023-12-02 21:55:49,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/data/f87c469cf/ae9257729f4443ffacbbac57b6374a00 [2023-12-02 21:55:49,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:55:49,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:55:49,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:49,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:55:49,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:55:49,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:49" (1/1) ... [2023-12-02 21:55:49,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea4bd71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:49, skipping insertion in model container [2023-12-02 21:55:49,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:49" (1/1) ... [2023-12-02 21:55:49,974 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:55:50,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:50,736 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:55:50,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:50,962 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:50,962 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:50,962 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:50,962 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:50,962 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:55:50,970 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:55:50,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50 WrapperNode [2023-12-02 21:55:50,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:50,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:50,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:55:50,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:55:50,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,032 INFO L138 Inliner]: procedures = 505, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-02 21:55:51,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:51,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:55:51,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:55:51,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:55:51,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:55:51,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:55:51,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:55:51,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:55:51,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:50" (1/1) ... [2023-12-02 21:55:51,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:55:51,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:55:51,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:55:51,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:55:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:55:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:55:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:55:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:55:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:55:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:55:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 21:55:51,301 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:55:51,303 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:55:51,464 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:55:51,508 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:55:51,508 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:55:51,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:51 BoogieIcfgContainer [2023-12-02 21:55:51,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:55:51,511 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:55:51,511 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:55:51,521 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:55:51,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:51" (1/1) ... [2023-12-02 21:55:51,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:55:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:55:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:55:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:51,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:51,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:51,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:55:51,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:55:51,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:55:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:51,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:55:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:51,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:55:51,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:51,853 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 21:55:51,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:55:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:51,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 21:55:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 21:55:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:55:51,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:51,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:51,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:55:51,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:55:51,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:55:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:52,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:55:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:52,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:55:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:55:52,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:55:52,669 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:55:52,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:55:52,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:55:52 ImpRootNode [2023-12-02 21:55:52,698 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:55:52,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:55:52,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:55:52,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:55:52,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:51" (3/4) ... [2023-12-02 21:55:52,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:55:52,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:55:52,702 INFO L158 Benchmark]: Toolchain (without parser) took 2813.54ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 68.0MB in the beginning and 60.1MB in the end (delta: 7.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-12-02 21:55:52,702 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:55:52,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.95ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 46.5MB in the end (delta: 21.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-12-02 21:55:52,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.57ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 43.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:55:52,704 INFO L158 Benchmark]: Boogie Preprocessor took 35.71ms. Allocated memory is still 90.2MB. Free memory was 43.2MB in the beginning and 41.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:55:52,705 INFO L158 Benchmark]: RCFGBuilder took 440.55ms. Allocated memory is still 90.2MB. Free memory was 41.2MB in the beginning and 49.0MB in the end (delta: -7.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-12-02 21:55:52,706 INFO L158 Benchmark]: CodeCheck took 1186.59ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 60.1MB in the end (delta: -11.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-02 21:55:52,706 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 109.1MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:55:52,709 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={6:0}, dataPtr={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 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.95ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 46.5MB in the end (delta: 21.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.57ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 43.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.71ms. Allocated memory is still 90.2MB. Free memory was 43.2MB in the beginning and 41.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.55ms. Allocated memory is still 90.2MB. Free memory was 41.2MB in the beginning and 49.0MB in the end (delta: -7.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * CodeCheck took 1186.59ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 60.1MB in the end (delta: -11.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 109.1MB. Free memory is still 60.1MB. 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 21:55:52,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f77deb-41cc-419c-ac60-120ad8ac4dbc/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample