./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_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_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/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_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/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_ed2698fa-4c08-4e39-9053-bac988db7435/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 f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:36:29,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:36:29,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:36:29,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:36:29,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:36:29,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:36:29,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:36:29,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:36:29,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:36:29,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:36:29,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:36:29,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:36:29,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:36:29,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:36:29,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:36:29,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:36:29,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:36:29,393 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:36:29,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:36:29,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:36:29,396 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:36:29,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:36:29,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:36:29,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:36:29,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:36:29,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:29,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:36:29,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:36:29,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:36:29,401 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:36:29,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:36:29,401 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:36:29,402 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_ed2698fa-4c08-4e39-9053-bac988db7435/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee [2023-11-19 03:36:29,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:36:29,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:36:29,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:36:29,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:36:29,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:36:29,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i [2023-11-19 03:36:33,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:36:34,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:36:34,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i [2023-11-19 03:36:34,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data/7e0daf070/f3d1d15115de4a58bb486151de847e5c/FLAG3450223cc [2023-11-19 03:36:34,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data/7e0daf070/f3d1d15115de4a58bb486151de847e5c [2023-11-19 03:36:34,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:36:34,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:36:34,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:34,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:36:34,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:36:34,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:34" (1/1) ... [2023-11-19 03:36:34,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db2f04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:34, skipping insertion in model container [2023-11-19 03:36:34,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:34" (1/1) ... [2023-11-19 03:36:34,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:36:34,921 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:36:35,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:35,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:36:35,827 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:36:36,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:36,216 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:36,216 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:36,217 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:36,217 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:36,217 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:36,218 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:36,228 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:36:36,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36 WrapperNode [2023-11-19 03:36:36,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:36,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:36,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:36:36,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:36:36,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,318 INFO L138 Inliner]: procedures = 501, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2023-11-19 03:36:36,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:36,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:36:36,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:36:36,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:36:36,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:36:36,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:36:36,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:36:36,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:36:36,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:36:36,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:36:36,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:36:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:36:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:36:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:36:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:36:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:36:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:36:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:36:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:36:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:36:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:36:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:36:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:36:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:36:36,705 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:36:36,708 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:36:36,906 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:36:36,953 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:36:36,953 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:36:36,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:36 BoogieIcfgContainer [2023-11-19 03:36:36,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:36:36,969 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:36:36,969 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:36:36,982 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:36:36,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:36" (1/1) ... [2023-11-19 03:36:36,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:36:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:36:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:36:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:36:37,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:37,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:38,072 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 03:36:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:36:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:36:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:36:38,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:38,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:38,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:36:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:38,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:36:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:38,532 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:36:38,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-19 03:36:38,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:36:38,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated [2023-11-19 03:36:38,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:36:38 ImpRootNode [2023-11-19 03:36:38,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:36:38,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:36:38,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:36:38,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:36:38,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:36" (3/4) ... [2023-11-19 03:36:38,585 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:36:38,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:36:38,588 INFO L158 Benchmark]: Toolchain (without parser) took 4287.86ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 79.0MB in the end (delta: 29.4MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-19 03:36:38,588 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:36:38,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1927.60ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 84.9MB in the end (delta: 23.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-19 03:36:38,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.41ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:36:38,591 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 155.2MB. Free memory was 81.9MB in the beginning and 79.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:36:38,592 INFO L158 Benchmark]: RCFGBuilder took 606.55ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 64.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:36:38,593 INFO L158 Benchmark]: CodeCheck took 1611.44ms. Allocated memory is still 155.2MB. Free memory was 64.0MB in the beginning and 79.0MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:36:38,593 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 155.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:36:38,598 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: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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); [L1575] 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) [L1575] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=82, argc=82, argv={12:83}, argv={12:83}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE190_Integer_Overflow__int_fgets_postinc_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_postinc_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data++ 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, myStruct={18844:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 111.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1927.60ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 84.9MB in the end (delta: 23.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.41ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.42ms. Allocated memory is still 155.2MB. Free memory was 81.9MB in the beginning and 79.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.55ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 64.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1611.44ms. Allocated memory is still 155.2MB. Free memory was 64.0MB in the beginning and 79.0MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 155.2MB. Free memory is still 79.0MB. 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: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post103 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 03:36:38,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/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_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/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_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/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_ed2698fa-4c08-4e39-9053-bac988db7435/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 f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:36:41,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:36:42,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:36:42,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:36:42,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:36:42,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:36:42,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:36:42,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:36:42,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:36:42,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:36:42,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:36:42,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:36:42,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:36:42,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:36:42,073 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:36:42,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:36:42,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:36:42,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:36:42,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:36:42,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:36:42,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:36:42,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:36:42,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:36:42,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:36:42,080 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:42,080 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:36:42,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:36:42,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:42,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:36:42,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:36:42,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:36:42,084 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:36:42,084 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:42,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:36:42,085 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:36:42,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:36:42,086 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_ed2698fa-4c08-4e39-9053-bac988db7435/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5cb2e6c3cc7e6ab1b34a5c7f3b0ace2178feae9f32f16f4b2544424981b4bee [2023-11-19 03:36:42,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:36:42,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:36:42,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:36:42,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:36:42,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:36:42,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i [2023-11-19 03:36:46,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:36:46,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:36:46,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_67_bad.i [2023-11-19 03:36:46,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data/89925677f/27cc25762d384bd49b454f317eca5f05/FLAG2a4cf2aad [2023-11-19 03:36:47,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/data/89925677f/27cc25762d384bd49b454f317eca5f05 [2023-11-19 03:36:47,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:36:47,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:36:47,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:47,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:36:47,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:36:47,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:47" (1/1) ... [2023-11-19 03:36:47,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba4ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:47, skipping insertion in model container [2023-11-19 03:36:47,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:47" (1/1) ... [2023-11-19 03:36:47,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:36:47,736 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:36:48,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:48,931 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:36:48,965 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:36:49,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:49,334 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:49,334 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:49,334 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:49,334 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:49,335 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:49,335 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:36:49,345 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:36:49,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49 WrapperNode [2023-11-19 03:36:49,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:49,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:49,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:36:49,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:36:49,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,477 INFO L138 Inliner]: procedures = 506, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2023-11-19 03:36:49,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:49,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:36:49,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:36:49,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:36:49,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:36:49,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:36:49,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:36:49,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:36:49,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:49" (1/1) ... [2023-11-19 03:36:49,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:49,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:36:49,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:36:49,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:36:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:36:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:36:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:36:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:36:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:36:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:36:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:36:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:36:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:36:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:36:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:36:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:36:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:36:49,923 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:36:49,926 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:36:50,170 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:36:50,264 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:36:50,265 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:36:50,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:50 BoogieIcfgContainer [2023-11-19 03:36:50,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:36:50,271 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:36:50,280 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:36:50,292 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:36:50,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:50" (1/1) ... [2023-11-19 03:36:50,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:36:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:36:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:36:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:36:50,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:50,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:50,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:36:50,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:36:50,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:36:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:50,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:36:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:50,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:36:50,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:36:50,842 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 03:36:50,844 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:36:50,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:36:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:36:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:36:50,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:36:50,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:50,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:36:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:36:50,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:36:50,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:36:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:51,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:36:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:52,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:36:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:36:52,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:36:52,569 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:36:52,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-11-19 03:36:52,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-11-19 03:36:52,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 03:36:52,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:36:52 ImpRootNode [2023-11-19 03:36:52,648 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:36:52,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:36:52,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:36:52,650 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:36:52,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:50" (3/4) ... [2023-11-19 03:36:52,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:36:52,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:36:52,656 INFO L158 Benchmark]: Toolchain (without parser) took 5635.43ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 73.4MB in the beginning and 91.6MB in the end (delta: -18.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-19 03:36:52,657 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:36:52,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2324.97ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 64.0MB in the end (delta: 9.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-19 03:36:52,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.21ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 60.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:36:52,660 INFO L158 Benchmark]: Boogie Preprocessor took 78.79ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:36:52,661 INFO L158 Benchmark]: RCFGBuilder took 712.20ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 71.0MB in the end (delta: -12.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-19 03:36:52,662 INFO L158 Benchmark]: CodeCheck took 2376.70ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.0MB in the beginning and 91.6MB in the end (delta: -20.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:36:52,662 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 121.6MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:36:52,667 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: 2.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 97 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE190_Integer_Overflow__int_fgets_postinc_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_postinc_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] EXPR data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558-L1568] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1569] myStruct.structFirst = data [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1583] data++ 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, myStruct={131:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2324.97ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 64.0MB in the end (delta: 9.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.21ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 60.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.79ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.20ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 71.0MB in the end (delta: -12.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * CodeCheck took 2376.70ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.0MB in the beginning and 91.6MB in the end (delta: -20.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 121.6MB. Free memory is still 91.6MB. 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~post101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - 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 03:36:52,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2698fa-4c08-4e39-9053-bac988db7435/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