./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:15:11,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:15:11,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:15:11,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:15:11,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:15:11,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:15:11,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:15:11,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:15:11,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:15:11,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:15:11,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:15:11,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:15:11,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:15:11,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:15:11,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:15:11,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:15:11,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:15:11,279 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:15:11,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:15:11,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:15:11,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:15:11,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:15:11,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:15:11,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:15:11,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:15:11,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:15:11,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:15:11,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:15:11,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:15:11,285 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:15:11,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:15:11,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:15:11,286 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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e [2023-12-02 22:15:11,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:15:11,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:15:11,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:15:11,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:15:11,514 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:15:11,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-12-02 22:15:14,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:15:14,688 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:15:14,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-12-02 22:15:14,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data/0c79ea730/a9b3384d5e3d4ba1ba52fcf20161c13f/FLAGf9e38a09c [2023-12-02 22:15:14,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data/0c79ea730/a9b3384d5e3d4ba1ba52fcf20161c13f [2023-12-02 22:15:14,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:15:14,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:15:14,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:15:14,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:15:14,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:15:14,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:15:14" (1/1) ... [2023-12-02 22:15:14,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e1b384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:14, skipping insertion in model container [2023-12-02 22:15:14,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:15:14" (1/1) ... [2023-12-02 22:15:14,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:15:15,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:15:15,615 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:15:15,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:15:15,886 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:15,886 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:15,886 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:15,887 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:15,887 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:15,895 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:15:15,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15 WrapperNode [2023-12-02 22:15:15,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:15:15,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:15:15,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:15:15,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:15:15,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,955 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-12-02 22:15:15,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:15:15,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:15:15,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:15:15,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:15:15,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:15:15,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:15:15,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:15:15,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:15:15,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:15" (1/1) ... [2023-12-02 22:15:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:15:16,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:15:16,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:15:16,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:15:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:15:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:15:16,214 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:15:16,217 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:15:16,345 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:15:16,389 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:15:16,389 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:15:16,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:15:16 BoogieIcfgContainer [2023-12-02 22:15:16,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:15:16,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:15:16,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:15:16,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:15:16,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:15:16" (1/1) ... [2023-12-02 22:15:16,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:15:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 22:15:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 22:15:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:15:16,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:16,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:15:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:15:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 22:15:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 22:15:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:15:16,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:16,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:15:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:16,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:15:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:16,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:15:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:17,021 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:15:17,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 22:15:17,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:15:17 ImpRootNode [2023-12-02 22:15:17,056 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:15:17,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:15:17,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:15:17,058 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:15:17,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:15:16" (3/4) ... [2023-12-02 22:15:17,060 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:15:17,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:15:17,063 INFO L158 Benchmark]: Toolchain (without parser) took 2329.71ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 81.7MB in the beginning and 100.6MB in the end (delta: -18.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-02 22:15:17,064 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory was 52.8MB in the beginning and 52.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:15:17,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1161.65ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 81.7MB in the beginning and 93.3MB in the end (delta: -11.6MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-12-02 22:15:17,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.45ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 90.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:15:17,066 INFO L158 Benchmark]: Boogie Preprocessor took 29.80ms. Allocated memory is still 161.5MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:15:17,067 INFO L158 Benchmark]: RCFGBuilder took 404.18ms. Allocated memory is still 161.5MB. Free memory was 88.4MB in the beginning and 73.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:15:17,067 INFO L158 Benchmark]: CodeCheck took 664.47ms. Allocated memory is still 161.5MB. Free memory was 73.7MB in the beginning and 101.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:15:17,068 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 161.5MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:15:17,072 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, 18 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581. 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] static int CWE190_Integer_Overflow__int_fgets_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_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) [L1581] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1566] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] EXPR data = atoi(inputBuffer) [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564-L1574] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1575] CWE190_Integer_Overflow__int_fgets_multiply_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, 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 0.17ms. Allocated memory is still 98.6MB. Free memory was 52.8MB in the beginning and 52.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1161.65ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 81.7MB in the beginning and 93.3MB in the end (delta: -11.6MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.45ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 90.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.80ms. Allocated memory is still 161.5MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.18ms. Allocated memory is still 161.5MB. Free memory was 88.4MB in the beginning and 73.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 664.47ms. Allocated memory is still 161.5MB. Free memory was 73.7MB in the beginning and 101.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 161.5MB. Free memory is still 100.6MB. 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~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:15:17,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:15:19,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:15:19,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:15:19,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:15:19,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:15:19,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:15:19,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:15:19,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:15:19,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:15:19,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:15:19,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:15:19,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:15:19,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:15:19,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:15:19,300 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:15:19,301 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:15:19,301 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:15:19,302 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:15:19,302 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:15:19,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:15:19,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:15:19,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:15:19,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:15:19,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:15:19,305 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:19,306 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:15:19,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:15:19,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:15:19,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:15:19,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:15:19,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:15:19,308 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:15:19,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:19,309 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:15:19,309 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:15:19,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:15:19,310 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_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e [2023-12-02 22:15:19,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:15:19,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:15:19,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:15:19,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:15:19,652 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:15:19,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-12-02 22:15:22,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:15:22,863 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:15:22,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-12-02 22:15:22,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data/5d4480692/db76beb869234056957eafacc37644d1/FLAG10a423f32 [2023-12-02 22:15:22,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/data/5d4480692/db76beb869234056957eafacc37644d1 [2023-12-02 22:15:22,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:15:22,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:15:22,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:15:22,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:15:22,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:15:22,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:15:22" (1/1) ... [2023-12-02 22:15:22,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f503511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:22, skipping insertion in model container [2023-12-02 22:15:22,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:15:22" (1/1) ... [2023-12-02 22:15:22,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:15:23,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:15:23,877 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:15:23,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:15:24,160 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:24,160 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:24,161 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:24,161 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:24,161 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:15:24,169 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:15:24,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24 WrapperNode [2023-12-02 22:15:24,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:15:24,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:15:24,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:15:24,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:15:24,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,241 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-02 22:15:24,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:15:24,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:15:24,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:15:24,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:15:24,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:15:24,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:15:24,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:15:24,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:15:24,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:15:24,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:15:24,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:15:24,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:15:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:15:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:15:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:15:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:15:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:15:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:15:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:15:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:15:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:15:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:15:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:15:24,519 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:15:24,521 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:15:24,697 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:15:24,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:15:24,745 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:15:24,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:15:24 BoogieIcfgContainer [2023-12-02 22:15:24,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:15:24,749 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:15:24,749 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:15:24,761 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:15:24,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:15:24" (1/1) ... [2023-12-02 22:15:24,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:15:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 22:15:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 22:15:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:15:24,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:24,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:24,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:24,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:24,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:15:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:25,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:15:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:25,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:15:25,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:15:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:15:25,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:15:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:25,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-02 22:15:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-02 22:15:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:15:25,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:25,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:15:25,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:15:25,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:15:25,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:15:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:25,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:15:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:25,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:15:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:15:25,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:15:25,798 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:15:25,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 22:15:25,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:15:25 ImpRootNode [2023-12-02 22:15:25,833 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:15:25,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:15:25,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:15:25,834 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:15:25,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:15:24" (3/4) ... [2023-12-02 22:15:25,837 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:15:25,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:15:25,839 INFO L158 Benchmark]: Toolchain (without parser) took 2932.35ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.3MB in the beginning and 64.4MB in the end (delta: -12.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-12-02 22:15:25,840 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:15:25,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1262.61ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 58.5MB in the end (delta: -6.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-12-02 22:15:25,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.73ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:15:25,842 INFO L158 Benchmark]: Boogie Preprocessor took 37.08ms. Allocated memory is still 96.5MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:15:25,843 INFO L158 Benchmark]: RCFGBuilder took 467.76ms. Allocated memory is still 96.5MB. Free memory was 53.0MB in the beginning and 58.9MB in the end (delta: -5.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-12-02 22:15:25,843 INFO L158 Benchmark]: CodeCheck took 1084.84ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 65.1MB in the end (delta: -6.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 22:15:25,844 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 64.4MB in the end (delta: 639.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:15:25,848 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 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, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 2 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568, overapproximation of large string literal at line 1581. 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] static int CWE190_Integer_Overflow__int_fgets_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData; [L1581] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_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) [L1581] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_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] [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1566] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] EXPR data = atoi(inputBuffer) [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564-L1574] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1575] CWE190_Integer_Overflow__int_fgets_multiply_45_badData = data [L1576] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741824, CWE190_Integer_Overflow__int_fgets_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, 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 54.5MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1262.61ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 58.5MB in the end (delta: -6.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.73ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.08ms. Allocated memory is still 96.5MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.76ms. Allocated memory is still 96.5MB. Free memory was 53.0MB in the beginning and 58.9MB in the end (delta: -5.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * CodeCheck took 1084.84ms. Allocated memory is still 96.5MB. Free memory was 58.9MB in the beginning and 65.1MB in the end (delta: -6.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 64.4MB in the end (delta: 639.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:15:25,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcd3ff0-fe91-416b-bdd2-c41bf1ee8a61/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