./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL --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 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:49,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:49,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:54:49,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:49,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:49,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:49,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:49,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:49,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:49,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:49,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:49,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:49,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:49,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:49,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:49,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:49,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:49,892 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:49,893 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:49,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:49,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:49,896 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:49,896 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:49,897 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:49,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:49,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:49,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:49,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:49,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:49,901 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:49,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:49,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:49,903 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_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 [2023-11-19 02:54:50,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:50,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:50,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:50,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:50,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:50,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i [2023-11-19 02:54:53,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:54,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:54,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i [2023-11-19 02:54:54,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data/10ea6998b/b06be385781a4f989a3eb4ff84246f97/FLAGbbc4ff563 [2023-11-19 02:54:54,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data/10ea6998b/b06be385781a4f989a3eb4ff84246f97 [2023-11-19 02:54:54,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:54,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:54,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:54,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:54,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:54,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:54" (1/1) ... [2023-11-19 02:54:54,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7552b799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:54, skipping insertion in model container [2023-11-19 02:54:54,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:54" (1/1) ... [2023-11-19 02:54:54,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:54,854 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:54:55,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:55,684 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:55,723 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:54:55,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:55,941 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:55,941 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:55,942 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:55,942 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:55,942 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:55,942 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:55,950 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:55,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55 WrapperNode [2023-11-19 02:54:55,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:55,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:55,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:55,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:55,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:55,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,027 INFO L138 Inliner]: procedures = 501, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-19 02:54:56,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:56,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:56,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:56,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:56,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:56,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:56,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:56,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:56,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:55" (1/1) ... [2023-11-19 02:54:56,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:56,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:56,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:56,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:54:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:54:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:54:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:54:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:54:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:54:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:54:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:56,361 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:56,364 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:56,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:56,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:56,559 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:54:56,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:56 BoogieIcfgContainer [2023-11-19 02:54:56,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:56,565 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:56,565 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:56,577 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:56,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:56" (1/1) ... [2023-11-19 02:54:56,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 02:54:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 02:54:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:54:56,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:56,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 02:54:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 02:54:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:54:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:57,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:57,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:54:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:57,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:54:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:57,837 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:54:57,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-19 02:54:57,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:54:57 ImpRootNode [2023-11-19 02:54:57,894 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:54:57,895 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:54:57,895 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:54:57,896 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:54:57,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:56" (3/4) ... [2023-11-19 02:54:57,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:54:57,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:54:57,900 INFO L158 Benchmark]: Toolchain (without parser) took 3705.43ms. Allocated memory is still 161.5MB. Free memory was 116.2MB in the beginning and 110.8MB in the end (delta: 5.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-19 02:54:57,901 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:57,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1751.22ms. Allocated memory is still 161.5MB. Free memory was 116.2MB in the beginning and 109.9MB in the end (delta: 6.3MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2023-11-19 02:54:57,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.00ms. Allocated memory is still 161.5MB. Free memory was 109.5MB in the beginning and 106.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:54:57,903 INFO L158 Benchmark]: Boogie Preprocessor took 49.94ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:57,904 INFO L158 Benchmark]: RCFGBuilder took 485.10ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 89.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:54:57,904 INFO L158 Benchmark]: CodeCheck took 1329.84ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 110.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:57,905 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 161.5MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:57,908 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=65, argc=65, argv={64:66}, argv={64:66}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={21096:0}, dataPtr={21096:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1751.22ms. Allocated memory is still 161.5MB. Free memory was 116.2MB in the beginning and 109.9MB in the end (delta: 6.3MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.00ms. Allocated memory is still 161.5MB. Free memory was 109.5MB in the beginning and 106.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.94ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.10ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 89.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1329.84ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 110.8MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 161.5MB. Free memory is still 110.8MB. 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: IdentifierExpression #t~post102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:54:57,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL --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 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:01,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:01,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:55:01,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:01,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:01,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:01,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:01,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:01,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:01,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:01,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:01,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:01,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:01,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:01,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:55:01,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:55:01,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:01,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:55:01,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:01,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:01,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:01,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:01,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:01,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:01,330 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:01,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:01,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:01,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:01,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:01,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:01,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:01,334 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:55:01,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:01,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:01,336 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:55:01,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:01,336 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_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 [2023-11-19 02:55:01,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:01,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:01,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:01,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:01,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:01,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i [2023-11-19 02:55:05,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:05,865 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:05,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i [2023-11-19 02:55:05,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data/871fea2df/a3ad1746a06a4b38bb8ebcde2b04ad84/FLAG59e41bd53 [2023-11-19 02:55:05,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/data/871fea2df/a3ad1746a06a4b38bb8ebcde2b04ad84 [2023-11-19 02:55:05,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:05,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:05,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:05,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:05,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:05,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:05" (1/1) ... [2023-11-19 02:55:05,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f19a510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:05, skipping insertion in model container [2023-11-19 02:55:05,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:05" (1/1) ... [2023-11-19 02:55:06,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:06,643 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:07,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:07,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:07,296 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:07,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:07,659 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:07,659 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:07,659 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:07,659 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:07,659 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:07,660 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:07,668 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:07,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07 WrapperNode [2023-11-19 02:55:07,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:07,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:07,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:07,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:07,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,747 INFO L138 Inliner]: procedures = 506, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2023-11-19 02:55:07,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:07,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:07,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:07,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:07,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:07,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:07,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:07,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:07,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:07,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:07,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:07,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:55:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:55:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:55:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:55:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:55:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:55:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:55:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 02:55:08,163 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:08,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:08,366 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:08,433 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:08,434 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:55:08,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:08 BoogieIcfgContainer [2023-11-19 02:55:08,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:08,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:08,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:08,467 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:08,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 02:55:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 02:55:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:55:08,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:08,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:08,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:55:08,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:55:08,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:55:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:08,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:55:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:08,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:08,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:08,894 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:55:08,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:55:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 02:55:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 02:55:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:55:08,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:08,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:55:08,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:55:08,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:55:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:09,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:55:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:09,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:55:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:55:10,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 02:55:10,057 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:55:10,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-19 02:55:10,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:55:10 ImpRootNode [2023-11-19 02:55:10,112 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:55:10,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:55:10,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:55:10,114 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:55:10,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:08" (3/4) ... [2023-11-19 02:55:10,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:55:10,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:55:10,120 INFO L158 Benchmark]: Toolchain (without parser) took 4174.36ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 50.0MB in the beginning and 35.6MB in the end (delta: 14.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:10,121 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:10,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1722.75ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.8MB in the beginning and 65.0MB in the end (delta: -15.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-19 02:55:10,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.56ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 62.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:10,124 INFO L158 Benchmark]: Boogie Preprocessor took 46.25ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:10,125 INFO L158 Benchmark]: RCFGBuilder took 655.34ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 69.1MB in the end (delta: -9.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:55:10,126 INFO L158 Benchmark]: CodeCheck took 1660.16ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 35.6MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:10,126 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 98.6MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:10,131 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, 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, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={6:0}, dataPtr={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1722.75ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.8MB in the beginning and 65.0MB in the end (delta: -15.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.56ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 62.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.25ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.34ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 69.1MB in the end (delta: -9.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1660.16ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 35.6MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 98.6MB. Free memory is still 35.6MB. 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: IdentifierExpression #t~post100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:55:10,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccb9147-0430-482c-bd4d-b973b282fa87/bin/ukojak-verify-G8NBE6pJGL/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