./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:01,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:01,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:40:01,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:01,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:01,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:01,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:01,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:01,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:01,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:01,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:01,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:01,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:01,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:01,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:01,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:01,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:01,277 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:40:01,277 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:01,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:01,278 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:01,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:01,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:01,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:01,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:01,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:01,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:01,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:01,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:01,283 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:01,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:01,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:01,284 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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 [2023-11-19 03:40:01,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:01,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:01,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:01,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:01,693 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:01,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2023-11-19 03:40:04,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:05,173 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:05,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2023-11-19 03:40:05,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data/f8363fa92/08c415ab63134210bdd342624c6cfb4b/FLAG5cc3f037e [2023-11-19 03:40:05,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data/f8363fa92/08c415ab63134210bdd342624c6cfb4b [2023-11-19 03:40:05,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:05,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:05,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:05,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:05,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:05,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:05" (1/1) ... [2023-11-19 03:40:05,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac6931a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:05, skipping insertion in model container [2023-11-19 03:40:05,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:05" (1/1) ... [2023-11-19 03:40:05,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:05,776 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:06,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:06,404 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:06,440 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:06,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:06,662 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:06,663 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:06,663 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:06,663 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:06,663 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:06,664 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:06,672 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:06,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06 WrapperNode [2023-11-19 03:40:06,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:06,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:06,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:06,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:06,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,797 INFO L138 Inliner]: procedures = 503, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2023-11-19 03:40:06,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:06,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:06,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:06,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:06,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:06,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:06,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:06,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:06,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:06" (1/1) ... [2023-11-19 03:40:06,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:06,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:06,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:06,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:40:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:40:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:40:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:40:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:40:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:07,097 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:07,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:07,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:07,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:07,259 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:40:07,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:07 BoogieIcfgContainer [2023-11-19 03:40:07,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:07,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:07,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:07,277 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:07,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:07" (1/1) ... [2023-11-19 03:40:07,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:07,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:40:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:40:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:40:07,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:07,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:07,700 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 03:40:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:40:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:40:07,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:40:07,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:07,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:07,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:07,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:08,000 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:40:08,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:08 ImpRootNode [2023-11-19 03:40:08,055 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:08,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:08,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:08,058 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:08,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:07" (3/4) ... [2023-11-19 03:40:08,062 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:40:08,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:08,064 INFO L158 Benchmark]: Toolchain (without parser) took 2835.08ms. Allocated memory is still 180.4MB. Free memory was 146.8MB in the beginning and 100.4MB in the end (delta: 46.4MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:08,066 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:08,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1440.26ms. Allocated memory is still 180.4MB. Free memory was 146.0MB in the beginning and 81.7MB in the end (delta: 64.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 03:40:08,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.29ms. Allocated memory is still 180.4MB. Free memory was 81.7MB in the beginning and 145.3MB in the end (delta: -63.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:08,068 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 180.4MB. Free memory was 145.3MB in the beginning and 144.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:08,069 INFO L158 Benchmark]: RCFGBuilder took 422.24ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 128.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:40:08,069 INFO L158 Benchmark]: CodeCheck took 790.12ms. Allocated memory is still 180.4MB. Free memory was 128.7MB in the beginning and 100.4MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:40:08,075 INFO L158 Benchmark]: Witness Printer took 6.17ms. Allocated memory is still 180.4MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:08,083 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1588]: 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)=27, argc=27, argv={28:26}, argv={28:26}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_53_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_multiply_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_53d_badSink(data) [L1586] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, 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 0.26ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1440.26ms. Allocated memory is still 180.4MB. Free memory was 146.0MB in the beginning and 81.7MB in the end (delta: 64.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.29ms. Allocated memory is still 180.4MB. Free memory was 81.7MB in the beginning and 145.3MB in the end (delta: -63.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 180.4MB. Free memory was 145.3MB in the beginning and 144.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.24ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 128.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 790.12ms. Allocated memory is still 180.4MB. Free memory was 128.7MB in the beginning and 100.4MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.17ms. Allocated memory is still 180.4MB. Free memory is still 100.4MB. 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 03:40:08,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:10,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:10,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:40:10,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:10,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:10,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:10,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:10,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:10,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:10,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:10,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:10,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:10,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:10,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:10,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:40:10,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:40:10,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:40:10,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:40:10,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:10,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:10,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:10,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:10,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:10,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:10,999 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:10,999 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:11,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:11,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:11,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:11,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:11,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:11,003 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:40:11,004 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:11,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:11,004 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:40:11,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:11,005 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_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 [2023-11-19 03:40:11,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:11,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:11,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:11,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:11,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:11,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2023-11-19 03:40:14,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:15,100 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:15,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2023-11-19 03:40:15,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data/309ad34f3/2f324809fdb8492085f82aa0ebe19cd8/FLAGdf7243a68 [2023-11-19 03:40:15,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/data/309ad34f3/2f324809fdb8492085f82aa0ebe19cd8 [2023-11-19 03:40:15,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:15,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:15,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:15,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:15,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:15,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:15" (1/1) ... [2023-11-19 03:40:15,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6735622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:15, skipping insertion in model container [2023-11-19 03:40:15,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:15" (1/1) ... [2023-11-19 03:40:15,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:15,740 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:16,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:16,583 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:16,606 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:40:16,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:16,967 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:16,968 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:16,968 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:16,968 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:16,969 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:16,969 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:16,977 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:16,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16 WrapperNode [2023-11-19 03:40:16,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:16,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:16,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:16,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:16,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,045 INFO L138 Inliner]: procedures = 508, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 58 [2023-11-19 03:40:17,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:17,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:17,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:17,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:17,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:17,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:17,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:17,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:17,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:16" (1/1) ... [2023-11-19 03:40:17,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:17,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:17,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:40:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:40:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:40:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:40:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:17,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:40:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:40:17,413 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:17,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:17,635 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:17,675 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:17,675 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:40:17,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:17 BoogieIcfgContainer [2023-11-19 03:40:17,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:17,690 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:17,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:17,706 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:17,707 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:17" (1/1) ... [2023-11-19 03:40:17,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:40:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:40:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:40:17,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:17,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:17,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:40:17,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:40:17,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:40:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:18,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:40:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:18,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:18,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:18,125 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 03:40:18,128 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:40:18,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:40:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:40:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:40:18,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:40:18,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:18,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:18,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:40:18,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:40:18,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:40:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:18,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:18,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:40:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:40:18,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:40:18,641 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:40:18,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:18 ImpRootNode [2023-11-19 03:40:18,684 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:18,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:18,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:18,685 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:18,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:17" (3/4) ... [2023-11-19 03:40:18,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:40:18,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:18,690 INFO L158 Benchmark]: Toolchain (without parser) took 3538.66ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 39.5MB in the beginning and 30.6MB in the end (delta: 8.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-19 03:40:18,690 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:18,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1824.73ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 39.2MB in the beginning and 55.7MB in the end (delta: -16.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:40:18,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.11ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 52.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:18,694 INFO L158 Benchmark]: Boogie Preprocessor took 78.02ms. Allocated memory is still 88.1MB. Free memory was 52.6MB in the beginning and 50.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:18,701 INFO L158 Benchmark]: RCFGBuilder took 563.84ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 59.0MB in the end (delta: -8.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:18,701 INFO L158 Benchmark]: CodeCheck took 994.22ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 31.2MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:18,703 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 88.1MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:18,712 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 2 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: 1588]: 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_multiply_53_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_multiply_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_53d_badSink(data) [L1586] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741825, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741825, data=1073741825, 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 0.33ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1824.73ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 39.2MB in the beginning and 55.7MB in the end (delta: -16.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.11ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 52.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.02ms. Allocated memory is still 88.1MB. Free memory was 52.6MB in the beginning and 50.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.84ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 59.0MB in the end (delta: -8.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * CodeCheck took 994.22ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 31.2MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 88.1MB. Free memory is still 30.6MB. 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 03:40:18,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_575ac3c1-db3a-4cb6-b86c-fad90d32e7a7/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