./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/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_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC --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 0.2.3-dev-30e01a7 [2023-11-23 20:30:01,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:01,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:30:01,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:01,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:01,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:01,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:01,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:01,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:01,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:01,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:01,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:01,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:01,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:01,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:01,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:01,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:01,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:01,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:01,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:01,922 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:01,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:01,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:01,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:01,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:01,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:01,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:01,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:01,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:01,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:01,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:01,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:01,927 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_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e [2023-11-23 20:30:02,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:02,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:02,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:02,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:02,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:02,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-23 20:30:05,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:05,822 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:05,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-23 20:30:05,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data/87efa98bf/a6c916a6de3f4986ac54611c09237daf/FLAGd4e3d3193 [2023-11-23 20:30:05,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data/87efa98bf/a6c916a6de3f4986ac54611c09237daf [2023-11-23 20:30:05,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:05,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:05,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:05,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:05,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:05,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:05" (1/1) ... [2023-11-23 20:30:05,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db5ae3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:05, skipping insertion in model container [2023-11-23 20:30:05,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:05" (1/1) ... [2023-11-23 20:30:06,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:06,424 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:07,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:07,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:07,117 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:07,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:07,438 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,438 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,439 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,439 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,439 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,439 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,447 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:07,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07 WrapperNode [2023-11-23 20:30:07,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:07,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:07,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:07,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:07,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,557 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-23 20:30:07,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:07,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:07,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:07,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:07,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:07,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:07,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:07,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:07,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:07,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:07,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:07,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:07,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:30:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:30:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:30:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:30:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:30:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:07,871 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:07,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:07,988 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:08,029 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:08,029 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:30:08,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:08 BoogieIcfgContainer [2023-11-23 20:30:08,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:08,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:08,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:08,043 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:08,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:08" (1/1) ... [2023-11-23 20:30:08,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:08,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:30:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:30:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:08,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:08,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:08,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-23 20:30:08,512 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-23 20:30:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:30:08,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:08,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:08,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:08,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:08,784 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:30:08,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:30:08 ImpRootNode [2023-11-23 20:30:08,830 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:30:08,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:30:08,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:30:08,831 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:30:08,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:08" (3/4) ... [2023-11-23 20:30:08,834 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:30:08,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:30:08,836 INFO L158 Benchmark]: Toolchain (without parser) took 2937.32ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 105.1MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:08,837 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:08,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1545.39ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 97.3MB in the end (delta: 6.1MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:08,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.92ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 94.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:08,839 INFO L158 Benchmark]: Boogie Preprocessor took 60.14ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:30:08,839 INFO L158 Benchmark]: RCFGBuilder took 411.11ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 78.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:30:08,840 INFO L158 Benchmark]: CodeCheck took 797.60ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 106.0MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:08,841 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.1MB in the end (delta: 883.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:08,844 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 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, 0.2s 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. 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 0.25ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1545.39ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 97.3MB in the end (delta: 6.1MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.92ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 94.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.14ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.11ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 78.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 797.60ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 106.0MB in the end (delta: -27.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.1MB in the end (delta: 883.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:30:08,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/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_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC --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 0.2.3-dev-30e01a7 [2023-11-23 20:30:11,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:11,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:30:11,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:11,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:11,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:11,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:11,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:11,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:11,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:11,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:11,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:11,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:11,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:11,696 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:30:11,697 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:30:11,697 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:11,698 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:30:11,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:11,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:11,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:11,701 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:11,701 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:11,702 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:11,702 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:11,703 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:11,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:11,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:11,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:11,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:11,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:11,707 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:30:11,707 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:11,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:11,709 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:30:11,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:11,710 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_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0243a1460844e7e57e204f9a553ad83a01f09360cbe30323dc27828e3250969e [2023-11-23 20:30:12,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:12,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:12,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:12,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:12,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:12,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-23 20:30:15,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:15,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:15,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_45_bad.i [2023-11-23 20:30:16,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data/48b0d8207/30d992a4acd84daeb604216ddd48851f/FLAG87dd569b6 [2023-11-23 20:30:16,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/data/48b0d8207/30d992a4acd84daeb604216ddd48851f [2023-11-23 20:30:16,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:16,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:16,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:16,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:16,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:16,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff82b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16, skipping insertion in model container [2023-11-23 20:30:16,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:16,709 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:17,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:17,654 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:17,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:17,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:17,954 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:17,955 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:17,955 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:17,955 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:17,955 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:17,956 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:17,965 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:17,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17 WrapperNode [2023-11-23 20:30:17,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:17,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:17,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:17,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:17,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,075 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-23 20:30:18,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:18,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:18,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:18,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:18,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:18,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:18,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:18,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:18,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:18,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:18,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:18,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:18,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:30:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:30:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:30:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:30:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:30:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:30:18,574 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:18,578 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:18,838 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:18,882 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:18,882 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:30:18,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:18 BoogieIcfgContainer [2023-11-23 20:30:18,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:18,886 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:18,886 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:18,898 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:18,898 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:18" (1/1) ... [2023-11-23 20:30:18,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:30:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:30:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:18,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:18,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:18,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:18,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:19,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:30:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:19,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:30:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:19,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:19,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:19,360 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:30:19,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:30:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-23 20:30:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-23 20:30:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:30:19,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:19,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:19,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:19,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:19,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:30:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:19,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:19,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:30:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:30:19,958 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:30:19,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:30:19,968 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:30:20,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:30:20 ImpRootNode [2023-11-23 20:30:20,006 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:30:20,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:30:20,007 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:30:20,007 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:30:20,008 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:18" (3/4) ... [2023-11-23 20:30:20,010 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:30:20,012 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:30:20,013 INFO L158 Benchmark]: Toolchain (without parser) took 3974.49ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 60.4MB in the beginning and 52.2MB in the end (delta: 8.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:20,014 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 88.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:20,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1926.91ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 60.1MB in the beginning and 69.9MB in the end (delta: -9.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-23 20:30:20,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.10ms. Allocated memory is still 115.3MB. Free memory was 69.9MB in the beginning and 67.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:30:20,018 INFO L158 Benchmark]: Boogie Preprocessor took 88.26ms. Allocated memory is still 115.3MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:20,023 INFO L158 Benchmark]: RCFGBuilder took 718.19ms. Allocated memory is still 115.3MB. Free memory was 64.6MB in the beginning and 80.1MB in the end (delta: -15.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-23 20:30:20,023 INFO L158 Benchmark]: CodeCheck took 1120.40ms. Allocated memory is still 115.3MB. Free memory was 80.1MB in the beginning and 52.2MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 20:30:20,024 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 115.3MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:20,028 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, 17 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, 12 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, 12 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 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. 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=1073741825, 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=1073741825, 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=1073741825, 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=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_fgets_multiply_45_badData=1073741825, 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=1073741825, 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 0.64ms. Allocated memory is still 88.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1926.91ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 60.1MB in the beginning and 69.9MB in the end (delta: -9.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.10ms. Allocated memory is still 115.3MB. Free memory was 69.9MB in the beginning and 67.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.26ms. Allocated memory is still 115.3MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 718.19ms. Allocated memory is still 115.3MB. Free memory was 64.6MB in the beginning and 80.1MB in the end (delta: -15.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 1120.40ms. Allocated memory is still 115.3MB. Free memory was 80.1MB in the beginning and 52.2MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 115.3MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:30:20,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a63df9-a787-4906-a899-ae2786c5a371/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample