./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/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_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/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_88b56af2-6670-4254-8ed2-1a71463c1b3b/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 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:24:01,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:24:01,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:24:01,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:24:01,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:24:01,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:24:01,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:24:01,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:24:01,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:24:01,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:24:01,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:24:01,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:24:01,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:24:01,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:24:01,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:24:01,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:24:01,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:24:01,179 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:24:01,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:24:01,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:24:01,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:24:01,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:24:01,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:24:01,183 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:24:01,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:24:01,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:01,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:24:01,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:24:01,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:24:01,185 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:24:01,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:24:01,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:24:01,186 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_88b56af2-6670-4254-8ed2-1a71463c1b3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf [2023-12-02 21:24:01,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:24:01,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:24:01,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:24:01,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:24:01,437 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:24:01,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i [2023-12-02 21:24:04,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:24:04,482 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:24:04,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i [2023-12-02 21:24:04,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data/44c57bb6a/e7208fdea87c4dff8d39d78c0725d4c3/FLAG3129c9328 [2023-12-02 21:24:04,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data/44c57bb6a/e7208fdea87c4dff8d39d78c0725d4c3 [2023-12-02 21:24:04,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:24:04,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:24:04,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:04,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:24:04,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:24:04,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:04" (1/1) ... [2023-12-02 21:24:04,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407c6b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:04, skipping insertion in model container [2023-12-02 21:24:04,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:04" (1/1) ... [2023-12-02 21:24:04,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:05,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:05,374 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:24:05,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:05,616 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:05,617 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:05,617 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:05,617 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:05,617 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:05,624 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:24:05,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05 WrapperNode [2023-12-02 21:24:05,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:05,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:05,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:24:05,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:24:05,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,675 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-12-02 21:24:05,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:05,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:24:05,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:24:05,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:24:05,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:24:05,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:24:05,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:24:05,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:24:05,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:05" (1/1) ... [2023-12-02 21:24:05,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:05,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:24:05,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:24:05,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:24:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:24:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:24:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:24:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:24:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 21:24:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:24:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:24:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:24:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:24:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:24:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:24:05,909 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:24:05,911 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:24:06,023 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:24:06,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:24:06,062 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:24:06,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:06 BoogieIcfgContainer [2023-12-02 21:24:06,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:24:06,064 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:24:06,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:24:06,072 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:24:06,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:06" (1/1) ... [2023-12-02 21:24:06,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:24:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:24:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:24:06,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:24:06,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:06,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:06,416 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 21:24:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 21:24:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 21:24:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:24:06,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:06,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:06,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:24:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:06,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:24:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:06,619 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:24:06,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:24:06,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:24:06 ImpRootNode [2023-12-02 21:24:06,648 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:24:06,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:24:06,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:24:06,649 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:24:06,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:06" (3/4) ... [2023-12-02 21:24:06,652 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:24:06,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:24:06,654 INFO L158 Benchmark]: Toolchain (without parser) took 2127.04ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 67.3MB in the end (delta: 60.5MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-12-02 21:24:06,654 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:06,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1096.40ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 117.7MB in the end (delta: 9.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-02 21:24:06,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.05ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:24:06,655 INFO L158 Benchmark]: Boogie Preprocessor took 27.97ms. Allocated memory is still 163.6MB. Free memory was 114.5MB in the beginning and 113.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:06,656 INFO L158 Benchmark]: RCFGBuilder took 358.17ms. Allocated memory is still 163.6MB. Free memory was 113.5MB in the beginning and 97.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:24:06,656 INFO L158 Benchmark]: CodeCheck took 584.06ms. Allocated memory is still 163.6MB. Free memory was 97.7MB in the beginning and 68.1MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 21:24:06,657 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 163.6MB. Free memory was 68.1MB in the beginning and 67.3MB in the end (delta: 801.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:06,660 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1573, overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=26, argc=26, argv={28:27}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE190_Integer_Overflow__int_fgets_add_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1570] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1571] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1573] EXPR data = atoi(inputBuffer) [L1570] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1569-L1579] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1580] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1555] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1096.40ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 117.7MB in the end (delta: 9.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.05ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.97ms. Allocated memory is still 163.6MB. Free memory was 114.5MB in the beginning and 113.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.17ms. Allocated memory is still 163.6MB. Free memory was 113.5MB in the beginning and 97.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 584.06ms. Allocated memory is still 163.6MB. Free memory was 97.7MB in the beginning and 68.1MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 163.6MB. Free memory was 68.1MB in the beginning and 67.3MB in the end (delta: 801.8kB). 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 21:24:06,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/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_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/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_88b56af2-6670-4254-8ed2-1a71463c1b3b/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 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:24:08,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:24:08,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:24:08,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:24:08,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:24:08,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:24:08,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:24:08,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:24:08,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:24:08,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:24:08,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:24:08,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:24:08,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:24:08,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:24:08,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:24:08,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:24:08,669 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:24:08,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:24:08,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:24:08,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:24:08,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:24:08,672 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:24:08,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:24:08,673 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:24:08,674 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:08,674 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:24:08,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:24:08,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:08,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:24:08,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:24:08,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:24:08,677 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:24:08,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:08,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:24:08,678 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:24:08,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:24:08,678 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_88b56af2-6670-4254-8ed2-1a71463c1b3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bddd5658ff9e2d2e177f124d84485d4ea1933fef16d13d695f9a7ad4ae9fbbf [2023-12-02 21:24:08,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:24:08,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:24:08,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:24:08,969 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:24:08,970 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:24:08,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i [2023-12-02 21:24:11,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:24:12,126 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:24:12,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_61_bad.i [2023-12-02 21:24:12,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data/c35909f4e/e0dd506ab02942e9bef1407e0a54dc8d/FLAG9399f40a4 [2023-12-02 21:24:12,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/data/c35909f4e/e0dd506ab02942e9bef1407e0a54dc8d [2023-12-02 21:24:12,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:24:12,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:24:12,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:12,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:24:12,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:24:12,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:12" (1/1) ... [2023-12-02 21:24:12,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dad0b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:12, skipping insertion in model container [2023-12-02 21:24:12,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:12" (1/1) ... [2023-12-02 21:24:12,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:13,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:13,169 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:24:13,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:13,379 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:13,380 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:13,380 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:13,380 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:13,380 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:13,387 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:24:13,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13 WrapperNode [2023-12-02 21:24:13,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:13,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:13,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:24:13,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:24:13,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,444 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-12-02 21:24:13,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:13,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:24:13,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:24:13,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:24:13,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:24:13,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:24:13,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:24:13,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:24:13,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:13,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:24:13,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:24:13,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:24:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:24:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:24:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:24:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:24:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:24:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:24:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:24:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:24:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:24:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:24:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 21:24:13,705 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:24:13,707 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:24:13,838 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:24:13,895 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:24:13,895 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:24:13,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:13 BoogieIcfgContainer [2023-12-02 21:24:13,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:24:13,898 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:24:13,898 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:24:13,908 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:24:13,908 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:13" (1/1) ... [2023-12-02 21:24:13,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:24:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:24:13,969 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:24:13,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:24:13,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:13,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:13,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:14,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:14,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:24:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:14,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:14,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:24:14,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:14,195 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 21:24:14,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:24:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 21:24:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 21:24:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:24:14,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:14,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:14,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:14,228 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:14,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:24:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:14,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:24:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:14,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:24:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:14,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:24:14,683 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:24:14,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-02 21:24:14,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:24:14 ImpRootNode [2023-12-02 21:24:14,713 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:24:14,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:24:14,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:24:14,714 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:24:14,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:13" (3/4) ... [2023-12-02 21:24:14,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:24:14,718 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:24:14,718 INFO L158 Benchmark]: Toolchain (without parser) took 2545.59ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 34.2MB in the end (delta: 31.3MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-12-02 21:24:14,719 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:14,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.37ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 55.4MB in the end (delta: 10.1MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-12-02 21:24:14,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 52.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:24:14,721 INFO L158 Benchmark]: Boogie Preprocessor took 35.89ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:24:14,721 INFO L158 Benchmark]: RCFGBuilder took 414.80ms. Allocated memory is still 92.3MB. Free memory was 50.4MB in the beginning and 62.6MB in the end (delta: -12.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 21:24:14,722 INFO L158 Benchmark]: CodeCheck took 815.74ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 34.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 21:24:14,722 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 92.3MB. Free memory was 34.8MB in the beginning and 34.2MB in the end (delta: 532.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:14,726 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1573, overapproximation of large string literal at line 1562. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1562] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1562] 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] [L1563] CALL CWE190_Integer_Overflow__int_fgets_add_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1570] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1571] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1573] EXPR data = atoi(inputBuffer) [L1570] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1569-L1579] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1580] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_add_61b_badSource(data) [L1555] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * 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 is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.37ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 55.4MB in the end (delta: 10.1MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 52.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.89ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.80ms. Allocated memory is still 92.3MB. Free memory was 50.4MB in the beginning and 62.6MB in the end (delta: -12.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 815.74ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 34.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 92.3MB. Free memory was 34.8MB in the beginning and 34.2MB in the end (delta: 532.0kB). 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~nondet98 - 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 21:24:14,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88b56af2-6670-4254-8ed2-1a71463c1b3b/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