./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_68_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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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 b802c8c91238b875de4a044a2d67a4a44fe7f614f27ebe159cae1b1595b93dd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:07:05,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:07:05,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:07:05,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:07:05,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:07:05,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:07:05,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:07:05,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:07:05,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:07:05,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:07:05,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:07:05,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:07:05,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:07:05,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:07:05,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:07:05,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:07:05,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:07:05,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:07:05,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:07:05,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:07:05,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:07:05,584 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:07:05,584 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:07:05,585 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:07:05,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:07:05,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:05,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:07:05,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:07:05,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:07:05,587 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:07:05,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:07:05,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:07:05,589 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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b802c8c91238b875de4a044a2d67a4a44fe7f614f27ebe159cae1b1595b93dd0 [2023-12-02 21:07:05,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:07:05,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:07:05,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:07:05,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:07:05,853 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:07:05,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_68_bad.i [2023-12-02 21:07:08,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:07:08,925 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:07:08,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_68_bad.i [2023-12-02 21:07:08,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data/fe91c4bdd/2d926ef8a4c04186b6ae4550b1f83e9f/FLAGee6e82eca [2023-12-02 21:07:08,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data/fe91c4bdd/2d926ef8a4c04186b6ae4550b1f83e9f [2023-12-02 21:07:08,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:07:08,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:07:08,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:08,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:07:08,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:07:08,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:08" (1/1) ... [2023-12-02 21:07:08,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dcc8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:08, skipping insertion in model container [2023-12-02 21:07:08,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:08" (1/1) ... [2023-12-02 21:07:09,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:07:09,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:09,782 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:07:09,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:10,004 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:10,005 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:10,005 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:10,005 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:10,005 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:10,013 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:07:10,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10 WrapperNode [2023-12-02 21:07:10,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:10,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:10,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:07:10,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:07:10,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,074 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-12-02 21:07:10,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:10,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:07:10,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:07:10,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:07:10,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:07:10,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:07:10,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:07:10,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:07:10,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:10,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:07:10,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:07:10,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:07:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:07:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:07:10,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:07:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:07:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 21:07:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:07:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:07:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:07:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:07:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:07:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:07:10,315 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:07:10,317 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:07:10,421 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:07:10,461 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:07:10,461 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:07:10,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:10 BoogieIcfgContainer [2023-12-02 21:07:10,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:07:10,464 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:07:10,464 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:07:10,474 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:07:10,474 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:10" (1/1) ... [2023-12-02 21:07:10,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:07:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:07:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:07:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:07:10,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:10,908 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 21:07:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 21:07:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 21:07:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:07:10,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:10,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:10,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:07:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:11,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:07:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:11,103 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:07:11,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:07:11,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-12-02 21:07:11,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:07:11 ImpRootNode [2023-12-02 21:07:11,133 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:07:11,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:07:11,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:07:11,134 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:07:11,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:10" (3/4) ... [2023-12-02 21:07:11,136 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:07:11,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:07:11,138 INFO L158 Benchmark]: Toolchain (without parser) took 2169.58ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 118.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-12-02 21:07:11,138 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:11,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.89ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 97.9MB in the end (delta: 21.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-12-02 21:07:11,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.07ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:07:11,140 INFO L158 Benchmark]: Boogie Preprocessor took 26.20ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:07:11,141 INFO L158 Benchmark]: RCFGBuilder took 361.79ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 78.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:07:11,141 INFO L158 Benchmark]: CodeCheck took 668.82ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 118.3MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:11,142 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 167.8MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:11,145 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: 0.6s, 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573. 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); [L1548] int CWE190_Integer_Overflow__int_fgets_postinc_68_badData; [L1549] int CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData; [L1550] int CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_68_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData=0, 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) [L1573] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_68_badData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=27, argc=27, argv={28:26}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE190_Integer_Overflow__int_fgets_postinc_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] CWE190_Integer_Overflow__int_fgets_postinc_68_badData = data [L1568] CALL CWE190_Integer_Overflow__int_fgets_postinc_68b_badSink() [L1583] int data = CWE190_Integer_Overflow__int_fgets_postinc_68_badData; [L1585] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData=0, 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 0.21ms. Allocated memory is still 113.2MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.89ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 97.9MB in the end (delta: 21.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.07ms. Allocated memory is still 167.8MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.20ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.79ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 78.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 668.82ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 118.3MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 167.8MB. Free memory is still 118.3MB. 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 Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - 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 21:07:11,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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 b802c8c91238b875de4a044a2d67a4a44fe7f614f27ebe159cae1b1595b93dd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:07:13,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:07:13,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:07:13,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:07:13,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:07:13,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:07:13,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:07:13,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:07:13,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:07:13,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:07:13,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:07:13,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:07:13,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:07:13,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:07:13,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:07:13,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:07:13,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:07:13,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:07:13,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:07:13,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:07:13,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:07:13,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:07:13,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:07:13,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:07:13,176 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:13,176 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:07:13,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:07:13,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:13,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:07:13,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:07:13,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:07:13,179 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:07:13,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:13,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:07:13,180 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:07:13,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:07:13,181 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_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b802c8c91238b875de4a044a2d67a4a44fe7f614f27ebe159cae1b1595b93dd0 [2023-12-02 21:07:13,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:07:13,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:07:13,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:07:13,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:07:13,510 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:07:13,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_68_bad.i [2023-12-02 21:07:16,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:07:16,650 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:07:16,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_68_bad.i [2023-12-02 21:07:16,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data/db10b61d0/f76d4eecd98540f9ae8c690e15223bc8/FLAG64950f250 [2023-12-02 21:07:16,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/data/db10b61d0/f76d4eecd98540f9ae8c690e15223bc8 [2023-12-02 21:07:16,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:07:16,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:07:16,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:16,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:07:16,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:07:16,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:16" (1/1) ... [2023-12-02 21:07:16,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4c126a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:16, skipping insertion in model container [2023-12-02 21:07:16,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:16" (1/1) ... [2023-12-02 21:07:16,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:07:17,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:17,532 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:07:17,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:17,779 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:17,779 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:17,780 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:17,780 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:17,780 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:07:17,787 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:07:17,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17 WrapperNode [2023-12-02 21:07:17,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:17,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:17,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:07:17,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:07:17,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,849 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-12-02 21:07:17,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:17,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:07:17,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:07:17,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:07:17,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:07:17,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:07:17,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:07:17,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:07:17,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:17" (1/1) ... [2023-12-02 21:07:17,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:07:17,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:07:17,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:07:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:07:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:07:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:07:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:07:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:07:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:07:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:07:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:07:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:07:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:07:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 21:07:18,124 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:07:18,126 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:07:18,253 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:07:18,298 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:07:18,298 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:07:18,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:18 BoogieIcfgContainer [2023-12-02 21:07:18,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:07:18,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:07:18,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:07:18,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:07:18,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:18" (1/1) ... [2023-12-02 21:07:18,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:07:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:07:18,370 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:07:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:07:18,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:18,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:18,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:18,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:18,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:07:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:18,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:18,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:07:18,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:18,605 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 21:07:18,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:07:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 21:07:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 21:07:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:07:18,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:18,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:18,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:07:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:18,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:07:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:19,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:07:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:19,100 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:07:19,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:07:19,107 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:07:19,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:07:19,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-12-02 21:07:19,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:07:19 ImpRootNode [2023-12-02 21:07:19,141 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:07:19,141 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:07:19,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:07:19,142 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:07:19,142 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:18" (3/4) ... [2023-12-02 21:07:19,144 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:07:19,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:07:19,146 INFO L158 Benchmark]: Toolchain (without parser) took 2457.66ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 48.6MB in the end (delta: 39.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-12-02 21:07:19,147 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:19,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1098.54ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 54.8MB in the end (delta: 33.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-12-02 21:07:19,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.32ms. Allocated memory is still 115.3MB. Free memory was 54.8MB in the beginning and 51.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:07:19,148 INFO L158 Benchmark]: Boogie Preprocessor took 37.28ms. Allocated memory is still 115.3MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:07:19,149 INFO L158 Benchmark]: RCFGBuilder took 412.85ms. Allocated memory is still 115.3MB. Free memory was 49.7MB in the beginning and 77.3MB in the end (delta: -27.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-12-02 21:07:19,150 INFO L158 Benchmark]: CodeCheck took 839.54ms. Allocated memory is still 115.3MB. Free memory was 77.3MB in the beginning and 49.3MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 21:07:19,150 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 115.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:19,153 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, 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, 68 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: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573. 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); [L1549] int CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData; [L1550] int CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData=0, 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) [L1573] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData=0, 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] [L1574] CALL CWE190_Integer_Overflow__int_fgets_postinc_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] CWE190_Integer_Overflow__int_fgets_postinc_68_badData = data [L1568] CALL CWE190_Integer_Overflow__int_fgets_postinc_68b_badSink() [L1583] int data = CWE190_Integer_Overflow__int_fgets_postinc_68_badData; [L1585] data++ VAL [CWE190_Integer_Overflow__int_fgets_postinc_68_badData=2147483647, CWE190_Integer_Overflow__int_fgets_postinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_postinc_68_goodG2BData=0, 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 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1098.54ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 54.8MB in the end (delta: 33.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.32ms. Allocated memory is still 115.3MB. Free memory was 54.8MB in the beginning and 51.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.28ms. Allocated memory is still 115.3MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.85ms. Allocated memory is still 115.3MB. Free memory was 49.7MB in the beginning and 77.3MB in the end (delta: -27.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 839.54ms. Allocated memory is still 115.3MB. Free memory was 77.3MB in the beginning and 49.3MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 115.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated - 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 21:07:19,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c48dc3-f0fa-49e1-ab24-7aeca4cf26e2/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