./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:28,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:28,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:27:28,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:28,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:28,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:28,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:28,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:28,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:28,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:28,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:28,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:28,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:28,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:28,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:28,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:28,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:28,423 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:28,423 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:28,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:28,424 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:28,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:28,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:28,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:28,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:28,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:28,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:28,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:28,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:28,429 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:28,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:28,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:28,431 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_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 [2023-11-23 20:27:28,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:28,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:28,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:28,774 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:28,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:28,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2023-11-23 20:27:31,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:32,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:32,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2023-11-23 20:27:32,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data/95c5afa9c/7ceb6c280f2b43fb95732c9114265c0f/FLAG9a0bd7930 [2023-11-23 20:27:32,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data/95c5afa9c/7ceb6c280f2b43fb95732c9114265c0f [2023-11-23 20:27:32,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:32,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:32,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:32,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:32,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:32,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:32" (1/1) ... [2023-11-23 20:27:32,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ef8a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:32, skipping insertion in model container [2023-11-23 20:27:32,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:32" (1/1) ... [2023-11-23 20:27:32,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:32,986 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:33,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:33,808 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:33,857 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:34,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:34,269 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:34,269 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:34,270 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:34,270 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:34,270 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:34,271 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:34,280 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:34,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34 WrapperNode [2023-11-23 20:27:34,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:34,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:34,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:34,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:34,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,398 INFO L138 Inliner]: procedures = 500, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-11-23 20:27:34,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:34,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:34,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:34,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:34,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:34,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:34,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:34,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:34,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:34,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:34,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:34,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:34,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:27:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:27:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:27:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:27:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:27:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:27:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:27:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:34,745 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:34,748 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:34,923 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:34,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:34,970 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:27:34,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:34 BoogieIcfgContainer [2023-11-23 20:27:34,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:34,974 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:34,974 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:34,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:34,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:34" (1/1) ... [2023-11-23 20:27:35,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:35,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:27:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:27:35,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:35,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:35,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-23 20:27:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-23 20:27:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:36,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:36,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:36,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:27:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:36,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:27:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:36,367 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:27:36,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-23 20:27:36,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:27:36 ImpRootNode [2023-11-23 20:27:36,431 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:27:36,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:27:36,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:27:36,433 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:27:36,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:34" (3/4) ... [2023-11-23 20:27:36,436 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:27:36,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:27:36,439 INFO L158 Benchmark]: Toolchain (without parser) took 4107.68ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 73.7MB in the beginning and 80.3MB in the end (delta: -6.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-23 20:27:36,439 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:27:36,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1948.60ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 73.7MB in the beginning and 92.6MB in the end (delta: -18.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-23 20:27:36,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.56ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 89.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:27:36,443 INFO L158 Benchmark]: Boogie Preprocessor took 57.56ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 87.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:27:36,443 INFO L158 Benchmark]: RCFGBuilder took 514.83ms. Allocated memory is still 161.5MB. Free memory was 87.4MB in the beginning and 71.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:27:36,450 INFO L158 Benchmark]: CodeCheck took 1457.39ms. Allocated memory is still 161.5MB. Free memory was 71.6MB in the beginning and 81.2MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:27:36,451 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 920.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:27:36,460 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: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1581] 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) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:65}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] EXPR *dataPtr1 = data [L1554-L1568] { int data = *dataPtr1; { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } *dataPtr1 = data; } [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data={6:0}, dataPtr1={6:0}, dataPtr2={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 0.28ms. Allocated memory is still 123.7MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1948.60ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 73.7MB in the beginning and 92.6MB in the end (delta: -18.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.56ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 89.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.56ms. Allocated memory is still 161.5MB. Free memory was 89.4MB in the beginning and 87.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.83ms. Allocated memory is still 161.5MB. Free memory was 87.4MB in the beginning and 71.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1457.39ms. Allocated memory is still 161.5MB. Free memory was 71.6MB in the beginning and 81.2MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 920.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:27:36,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:39,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:39,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:27:39,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:39,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:39,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:39,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:39,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:39,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:39,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:39,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:39,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:39,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:39,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:39,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:27:39,816 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:27:39,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:39,818 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:27:39,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:39,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:39,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:39,821 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:39,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:39,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:39,823 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:39,823 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:27:39,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:39,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:39,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:39,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:39,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:39,827 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:27:39,828 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:39,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:39,829 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:27:39,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:27:39,830 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_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 [2023-11-23 20:27:40,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:40,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:40,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:40,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:40,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:40,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2023-11-23 20:27:43,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:44,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:44,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2023-11-23 20:27:44,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data/cb0c13ec0/796d1ef10bc24c89a20be95c39fa33cc/FLAG02861e33e [2023-11-23 20:27:44,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/data/cb0c13ec0/796d1ef10bc24c89a20be95c39fa33cc [2023-11-23 20:27:44,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:44,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:44,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:44,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:44,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:44,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:44" (1/1) ... [2023-11-23 20:27:44,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f21cb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:44, skipping insertion in model container [2023-11-23 20:27:44,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:44" (1/1) ... [2023-11-23 20:27:44,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:45,048 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:45,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:45,761 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:45,802 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:27:45,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:46,146 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:46,146 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:46,147 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:46,147 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:46,147 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:46,147 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:46,158 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:46,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46 WrapperNode [2023-11-23 20:27:46,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:46,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:46,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:46,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:46,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,264 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-11-23 20:27:46,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:46,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:46,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:46,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:46,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:46,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:46,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:46,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:46,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:46" (1/1) ... [2023-11-23 20:27:46,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:46,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:46,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:46,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:27:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:27:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:27:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:27:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:27:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:27:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:27:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:27:46,751 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:46,754 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:46,978 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:47,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:47,031 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:27:47,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:47 BoogieIcfgContainer [2023-11-23 20:27:47,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:47,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:47,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:47,055 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:47,056 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:47" (1/1) ... [2023-11-23 20:27:47,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:27:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:27:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:47,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:47,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:27:47,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:27:47,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:27:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:27:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:27:47,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:47,519 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:27:47,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:27:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:27:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:27:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:47,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:27:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:27:47,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:27:47,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:27:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:47,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:27:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:48,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:27:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:27:48,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:27:48,338 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:27:48,389 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-23 20:27:48,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:27:48 ImpRootNode [2023-11-23 20:27:48,397 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:27:48,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:27:48,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:27:48,398 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:27:48,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:47" (3/4) ... [2023-11-23 20:27:48,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:27:48,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:27:48,403 INFO L158 Benchmark]: Toolchain (without parser) took 4027.52ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.4MB in the beginning and 47.7MB in the end (delta: -283.1kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-23 20:27:48,404 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:27:48,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.35ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.2MB in the beginning and 49.7MB in the end (delta: -2.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-23 20:27:48,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.71ms. Allocated memory is still 102.8MB. Free memory was 49.7MB in the beginning and 74.8MB in the end (delta: -25.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-23 20:27:48,408 INFO L158 Benchmark]: Boogie Preprocessor took 110.71ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:27:48,413 INFO L158 Benchmark]: RCFGBuilder took 664.83ms. Allocated memory is still 102.8MB. Free memory was 72.2MB in the beginning and 54.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:27:48,414 INFO L158 Benchmark]: CodeCheck took 1354.68ms. Allocated memory is still 102.8MB. Free memory was 54.5MB in the beginning and 48.2MB in the end (delta: 6.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-23 20:27:48,415 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 102.8MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:27:48,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1581] 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) [L1581] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] EXPR *dataPtr1 = data [L1554-L1568] { int data = *dataPtr1; { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } *dataPtr1 = data; } [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, data={7:0}, dataPtr1={7:0}, dataPtr2={7:0}, 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 0.70ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.35ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.2MB in the beginning and 49.7MB in the end (delta: -2.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.71ms. Allocated memory is still 102.8MB. Free memory was 49.7MB in the beginning and 74.8MB in the end (delta: -25.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.71ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.83ms. Allocated memory is still 102.8MB. Free memory was 72.2MB in the beginning and 54.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1354.68ms. Allocated memory is still 102.8MB. Free memory was 54.5MB in the beginning and 48.2MB in the end (delta: 6.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 102.8MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:27:48,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_426c0ba4-78ff-4927-8735-557f78b9333c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample