./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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 e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:40,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:40,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:58:40,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:40,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:40,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:40,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:40,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:40,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:40,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:40,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:40,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:40,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:40,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:40,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:40,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:40,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:40,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:40,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:40,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:40,339 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:40,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:40,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:40,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:40,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:40,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:40,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:40,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:40,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:40,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:40,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:40,345 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:40,346 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_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 [2023-11-19 03:58:40,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:40,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:40,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:40,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:40,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:40,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2023-11-19 03:58:43,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:44,097 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:44,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2023-11-19 03:58:44,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data/ef0e3b293/32442ab16a374a4fae8fb76c9b2d8931/FLAGb5ff5930e [2023-11-19 03:58:44,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data/ef0e3b293/32442ab16a374a4fae8fb76c9b2d8931 [2023-11-19 03:58:44,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:44,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:44,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:44,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:44,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:44,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d518dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44, skipping insertion in model container [2023-11-19 03:58:44,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:44,868 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:45,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:45,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:45,636 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:45,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:45,904 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,904 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,905 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,905 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,905 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,905 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,913 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:45,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45 WrapperNode [2023-11-19 03:58:45,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:45,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:45,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:45,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:45,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:45,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:45,975 INFO L138 Inliner]: procedures = 501, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-19 03:58:45,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:45,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:45,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:45,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:45,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:45,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:45,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:45,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:46,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:46,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:46,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:46,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:46,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:46,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:46,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:58:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:58:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:58:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:58:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:58:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:58:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:58:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:46,297 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:46,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:46,439 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:46,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:46,492 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:58:46,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:46 BoogieIcfgContainer [2023-11-19 03:58:46,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:46,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:46,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:46,509 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:46,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:46" (1/1) ... [2023-11-19 03:58:46,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:58:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:58:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:58:46,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,331 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 03:58:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:58:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:58:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:47,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:47,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:47,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:47,651 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:58:47,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:58:47 ImpRootNode [2023-11-19 03:58:47,683 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:58:47,684 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:58:47,684 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:58:47,684 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:58:47,685 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:46" (3/4) ... [2023-11-19 03:58:47,687 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:58:47,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:58:47,689 INFO L158 Benchmark]: Toolchain (without parser) took 3530.04ms. Allocated memory is still 186.6MB. Free memory was 138.4MB in the beginning and 136.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,690 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 136.3MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:47,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1752.59ms. Allocated memory is still 186.6MB. Free memory was 138.4MB in the beginning and 124.7MB in the end (delta: 13.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.25ms. Allocated memory is still 186.6MB. Free memory was 124.7MB in the beginning and 121.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,692 INFO L158 Benchmark]: Boogie Preprocessor took 45.66ms. Allocated memory is still 186.6MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,692 INFO L158 Benchmark]: RCFGBuilder took 474.88ms. Allocated memory is still 186.6MB. Free memory was 119.4MB in the beginning and 103.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:47,693 INFO L158 Benchmark]: CodeCheck took 1184.90ms. Allocated memory is still 186.6MB. Free memory was 103.7MB in the beginning and 136.0MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:47,694 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 186.6MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:47,697 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=62, argc=62, argv={61:63}, argv={61:63}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={10069:0}, dataVoidPtr={10069:0}, dataVoidPtr={10069:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 136.3MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1752.59ms. Allocated memory is still 186.6MB. Free memory was 138.4MB in the beginning and 124.7MB in the end (delta: 13.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.25ms. Allocated memory is still 186.6MB. Free memory was 124.7MB in the beginning and 121.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.66ms. Allocated memory is still 186.6MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.88ms. Allocated memory is still 186.6MB. Free memory was 119.4MB in the beginning and 103.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1184.90ms. Allocated memory is still 186.6MB. Free memory was 103.7MB in the beginning and 136.0MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 186.6MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:58:47,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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 e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:50,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:50,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:58:50,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:50,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:50,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:50,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:50,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:50,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:50,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:50,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:50,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:50,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:50,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:50,847 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:58:50,848 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:58:50,848 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:50,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:58:50,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:50,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:50,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:50,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:50,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:50,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:50,853 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:50,853 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:50,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:50,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:50,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:50,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:50,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:50,857 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:58:50,857 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:50,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:50,858 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:58:50,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:50,859 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_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 [2023-11-19 03:58:51,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:51,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:51,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:51,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:51,346 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:51,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2023-11-19 03:58:54,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:55,292 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:55,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2023-11-19 03:58:55,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data/63fafd10f/42537b11043445e0b244f4fea6e8370b/FLAG812c5fae2 [2023-11-19 03:58:55,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/data/63fafd10f/42537b11043445e0b244f4fea6e8370b [2023-11-19 03:58:55,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:55,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:55,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:55,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:55,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:55,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:55" (1/1) ... [2023-11-19 03:58:55,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2636f9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:55, skipping insertion in model container [2023-11-19 03:58:55,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:55" (1/1) ... [2023-11-19 03:58:55,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:55,826 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:56,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:56,478 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:58:56,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:56,508 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:56,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:56,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:56,642 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:56,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:56,944 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:56,944 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:56,944 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:56,944 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:56,944 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:56,945 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:56,953 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:56,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56 WrapperNode [2023-11-19 03:58:56,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:56,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:56,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:56,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:56,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,060 INFO L138 Inliner]: procedures = 506, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-19 03:58:57,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:57,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:57,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:57,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:57,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:57,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:57,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:57,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:57,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:56" (1/1) ... [2023-11-19 03:58:57,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:57,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:57,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:57,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:58:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:58:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:58:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:58:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:58:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:58:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:58:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:58:57,391 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:57,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:57,641 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:57,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:57,681 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:58:57,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:57 BoogieIcfgContainer [2023-11-19 03:58:57,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:57,687 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:57,687 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:57,697 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:57,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:57" (1/1) ... [2023-11-19 03:58:57,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:58:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:58:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:58:57,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:57,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:57,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:58:57,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:58:57,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:58:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:57,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:58:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:58,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:58,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:58,087 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 03:58:58,089 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:58:58,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:58:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:58:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:58:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:58,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:58,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:58,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:58:58,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:58:58,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:58:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:58,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:58:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:58:59,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:59:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:00,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:59:00,198 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:59:00,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:59:00 ImpRootNode [2023-11-19 03:59:00,261 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:59:00,262 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:59:00,262 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:59:00,263 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:59:00,263 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:57" (3/4) ... [2023-11-19 03:59:00,266 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:59:00,268 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:59:00,269 INFO L158 Benchmark]: Toolchain (without parser) took 4927.28ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 46.0MB in the beginning and 51.8MB in the end (delta: -5.7MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-19 03:59:00,270 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:00,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1607.93ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 51.0MB in the end (delta: -5.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 03:59:00,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.28ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 48.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:00,275 INFO L158 Benchmark]: Boogie Preprocessor took 70.61ms. Allocated memory is still 94.4MB. Free memory was 47.6MB in the beginning and 45.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:00,281 INFO L158 Benchmark]: RCFGBuilder took 553.36ms. Allocated memory is still 94.4MB. Free memory was 45.6MB in the beginning and 52.2MB in the end (delta: -6.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-19 03:59:00,282 INFO L158 Benchmark]: CodeCheck took 2574.52ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 52.4MB in the end (delta: -130.2kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-19 03:59:00,284 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 113.2MB. Free memory was 52.4MB in the beginning and 51.8MB in the end (delta: 615.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:00,295 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: 2.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 109 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataPtr={6:0}, dataVoidPtr={6:0}, dataVoidPtr={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1607.93ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 51.0MB in the end (delta: -5.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.28ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 48.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.61ms. Allocated memory is still 94.4MB. Free memory was 47.6MB in the beginning and 45.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.36ms. Allocated memory is still 94.4MB. Free memory was 45.6MB in the beginning and 52.2MB in the end (delta: -6.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * CodeCheck took 2574.52ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 52.4MB in the end (delta: -130.2kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 113.2MB. Free memory was 52.4MB in the beginning and 51.8MB in the end (delta: 615.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:59:00,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205ba0c3-fbd0-43d4-b5a3-4c3388f28f82/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