./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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 225fb52608abe5396ade71ef90420a1a411bd27df13564d5cbd5e949faed8813 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:14,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:14,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:25:14,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:25:14,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:25:14,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:14,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:14,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:14,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:14,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:14,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:14,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:14,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:25:14,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:14,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:14,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:14,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:14,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:25:14,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:14,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:14,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:14,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:14,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:14,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:14,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:14,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:14,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:14,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:14,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:14,883 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:25:14,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:25:14,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:14,901 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_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 225fb52608abe5396ade71ef90420a1a411bd27df13564d5cbd5e949faed8813 [2023-11-19 03:25:15,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:15,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:15,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:15,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:15,203 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:15,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_bad.i [2023-11-19 03:25:18,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:18,776 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:18,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_bad.i [2023-11-19 03:25:18,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data/67a5b778f/07fd1785868b44a5a9f0f065dbbcd784/FLAG2be2a8a0a [2023-11-19 03:25:18,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data/67a5b778f/07fd1785868b44a5a9f0f065dbbcd784 [2023-11-19 03:25:18,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:18,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:18,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:18,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:18,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:18,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:18" (1/1) ... [2023-11-19 03:25:18,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a726b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:18, skipping insertion in model container [2023-11-19 03:25:18,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:18" (1/1) ... [2023-11-19 03:25:18,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:19,296 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:19,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:19,958 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:19,978 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:20,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:20,204 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:20,204 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:20,204 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:20,204 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:20,205 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:20,205 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:20,212 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:20,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20 WrapperNode [2023-11-19 03:25:20,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:20,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:20,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:20,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:20,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,296 INFO L138 Inliner]: procedures = 500, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-19 03:25:20,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:20,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:20,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:20,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:20,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:20,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:20,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:20,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:20,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:20,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:20,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:20,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:25:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:25:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:25:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:25:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:25:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:25:20,573 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:20,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:20,718 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:20,758 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:20,758 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:25:20,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:20 BoogieIcfgContainer [2023-11-19 03:25:20,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:20,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:20,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:20,774 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:20,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:25:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:25:20,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:25:20,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:20,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:21,172 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 03:25:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 26 transitions. [2023-11-19 03:25:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-19 03:25:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:25:21,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:21,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:21,441 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 03:25:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 32 transitions. [2023-11-19 03:25:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 03:25:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:25:21,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:21,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:21,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:21,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:21,701 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:25:21,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated [2023-11-19 03:25:21,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-19 03:25:21,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-19 03:25:21,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:25:21 ImpRootNode [2023-11-19 03:25:21,756 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:25:21,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:25:21,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:25:21,757 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:25:21,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:20" (3/4) ... [2023-11-19 03:25:21,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:25:21,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:25:21,766 INFO L158 Benchmark]: Toolchain (without parser) took 2933.94ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 118.3MB in the beginning and 127.6MB in the end (delta: -9.3MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,767 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 129.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:21,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.63ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 125.2MB in the end (delta: -7.5MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.97ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 125.2MB in the beginning and 181.1MB in the end (delta: -55.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,770 INFO L158 Benchmark]: Boogie Preprocessor took 30.28ms. Allocated memory is still 216.0MB. Free memory was 181.1MB in the beginning and 180.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:21,771 INFO L158 Benchmark]: RCFGBuilder took 434.48ms. Allocated memory is still 216.0MB. Free memory was 180.0MB in the beginning and 164.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,778 INFO L158 Benchmark]: CodeCheck took 992.64ms. Allocated memory is still 216.0MB. Free memory was 164.3MB in the beginning and 128.7MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,778 INFO L158 Benchmark]: Witness Printer took 7.47ms. Allocated memory is still 216.0MB. Free memory was 128.7MB in the beginning and 127.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:21,790 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 48 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1587] 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={6:0}] [L1414] COND TRUE line != ((void *)0) [L1587] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:18}, argv={13:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] CALL CWE190_Integer_Overflow__int_fgets_add_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 129.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.63ms. Allocated memory is still 163.6MB. Free memory was 117.8MB in the beginning and 125.2MB in the end (delta: -7.5MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.97ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 125.2MB in the beginning and 181.1MB in the end (delta: -55.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.28ms. Allocated memory is still 216.0MB. Free memory was 181.1MB in the beginning and 180.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.48ms. Allocated memory is still 216.0MB. Free memory was 180.0MB in the beginning and 164.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 992.64ms. Allocated memory is still 216.0MB. Free memory was 164.3MB in the beginning and 128.7MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 7.47ms. Allocated memory is still 216.0MB. Free memory was 128.7MB in the beginning and 127.6MB in the end (delta: 1.0MB). 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~switch98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 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 03:25:21,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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 225fb52608abe5396ade71ef90420a1a411bd27df13564d5cbd5e949faed8813 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:24,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:24,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:25:24,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:24,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:24,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:24,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:24,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:24,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:24,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:24,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:24,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:24,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:24,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:24,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:25:24,592 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:25:24,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:25:24,594 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:25:24,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:24,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:24,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:24,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:24,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:24,597 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:24,597 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:24,597 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:25:24,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:24,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:24,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:24,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:24,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:24,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:25:24,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:24,601 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:24,601 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:25:24,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:25:24,602 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_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 225fb52608abe5396ade71ef90420a1a411bd27df13564d5cbd5e949faed8813 [2023-11-19 03:25:24,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:24,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:24,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:24,977 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:24,978 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:24,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_bad.i [2023-11-19 03:25:28,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:28,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:28,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_15_bad.i [2023-11-19 03:25:28,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data/8a47b7bfa/398ba7af38cc46f886858877e4b0a66e/FLAGc32adf156 [2023-11-19 03:25:28,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/data/8a47b7bfa/398ba7af38cc46f886858877e4b0a66e [2023-11-19 03:25:28,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:28,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:28,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:28,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:28,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:28,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:28" (1/1) ... [2023-11-19 03:25:28,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62dd88b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:28, skipping insertion in model container [2023-11-19 03:25:28,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:28" (1/1) ... [2023-11-19 03:25:28,900 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:29,293 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:29,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:29,850 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:29,890 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:30,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:30,211 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:30,212 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:30,212 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:30,212 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:30,213 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:30,213 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:30,221 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:30,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30 WrapperNode [2023-11-19 03:25:30,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:30,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:30,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:30,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:30,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,311 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-19 03:25:30,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:30,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:30,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:30,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:30,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:30,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:30,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:30,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:30,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:30,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:30,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:30,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:30,487 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:25:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:25:30,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:25:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:25:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:25:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:25:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:25:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:25:30,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:30,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:30,873 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:30,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:30,916 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:25:30,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:30 BoogieIcfgContainer [2023-11-19 03:25:30,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:30,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:30,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:30,934 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:30,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:30" (1/1) ... [2023-11-19 03:25:30,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:25:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:25:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:25:31,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:31,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:31,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:31,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:31,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:25:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:25:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:25:31,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:31,286 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 03:25:31,288 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:25:31,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 03:25:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 03:25:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:25:31,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:31,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:31,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:31,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:25:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:25:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:25:31,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:31,507 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 03:25:31,508 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:25:31,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:31,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 25 transitions. [2023-11-19 03:25:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-19 03:25:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:25:31,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:31,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:31,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:31,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:31,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:25:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:31,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:31,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:32,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:25:32,054 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:25:32,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch96 could not be translated [2023-11-19 03:25:32,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch99 could not be translated [2023-11-19 03:25:32,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch99 could not be translated [2023-11-19 03:25:32,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:25:32 ImpRootNode [2023-11-19 03:25:32,113 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:25:32,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:25:32,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:25:32,114 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:25:32,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:30" (3/4) ... [2023-11-19 03:25:32,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:25:32,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:25:32,120 INFO L158 Benchmark]: Toolchain (without parser) took 3321.80ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 58.2MB in the beginning and 90.3MB in the end (delta: -32.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-19 03:25:32,121 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:32,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1419.89ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 73.1MB in the end (delta: -15.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-19 03:25:32,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.14ms. Allocated memory is still 119.5MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:32,130 INFO L158 Benchmark]: Boogie Preprocessor took 47.51ms. Allocated memory is still 119.5MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:32,132 INFO L158 Benchmark]: RCFGBuilder took 553.32ms. Allocated memory is still 119.5MB. Free memory was 68.0MB in the beginning and 84.7MB in the end (delta: -16.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-19 03:25:32,132 INFO L158 Benchmark]: CodeCheck took 1190.62ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 90.3MB in the end (delta: -5.6MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-11-19 03:25:32,133 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 119.5MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:32,141 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 41 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1587] 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={6:0}] [L1414] COND TRUE line != ((void *)0) [L1587] 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] [L1588] CALL CWE190_Integer_Overflow__int_fgets_add_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1419.89ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 73.1MB in the end (delta: -15.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.14ms. Allocated memory is still 119.5MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.51ms. Allocated memory is still 119.5MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.32ms. Allocated memory is still 119.5MB. Free memory was 68.0MB in the beginning and 84.7MB in the end (delta: -16.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * CodeCheck took 1190.62ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 90.3MB in the end (delta: -5.6MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 119.5MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch99 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 03:25:32,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f82d51-fc03-4e3c-bf5d-5cddf0446b96/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample