./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi --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 01c9b8bd6bf6d03f55698c37d5c9b4987e10acd19718f3511ca3202d68056c02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:39,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:39,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:05:39,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:39,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:39,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:39,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:39,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:39,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:39,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:39,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:39,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:39,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:39,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:39,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:39,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:39,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:39,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:39,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:39,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:39,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:39,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:39,452 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:39,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:39,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:39,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:39,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:39,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:39,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:39,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:39,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:39,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:39,456 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_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01c9b8bd6bf6d03f55698c37d5c9b4987e10acd19718f3511ca3202d68056c02 [2023-11-24 23:05:39,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:39,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:39,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:39,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:39,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:39,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_bad.i [2023-11-24 23:05:42,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:43,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:43,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_bad.i [2023-11-24 23:05:43,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data/aa2d9e9f9/b072a7614bf842e6a7cd71d35fcae30b/FLAG5e3ae7223 [2023-11-24 23:05:43,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data/aa2d9e9f9/b072a7614bf842e6a7cd71d35fcae30b [2023-11-24 23:05:43,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:43,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:43,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:43,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:43,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:43,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:43" (1/1) ... [2023-11-24 23:05:43,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a0026a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:43, skipping insertion in model container [2023-11-24 23:05:43,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:43" (1/1) ... [2023-11-24 23:05:43,570 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:44,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:44,834 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:44,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:45,052 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:45,053 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:45,053 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:45,053 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:45,053 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:45,062 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:45,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45 WrapperNode [2023-11-24 23:05:45,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:45,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:45,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:45,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:45,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,182 INFO L138 Inliner]: procedures = 499, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2023-11-24 23:05:45,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:45,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:45,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:45,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:45,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:45,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:45,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:45,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:45,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:45,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:45,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:45,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:05:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:05:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:05:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:05:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:05:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:45,480 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:45,483 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:45,634 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:45,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:45,677 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:45,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:45 BoogieIcfgContainer [2023-11-24 23:05:45,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:45,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:45,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:45,689 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:45,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-24 23:05:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-24 23:05:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:05:45,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:45,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:46,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 30 transitions. [2023-11-24 23:05:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-24 23:05:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:05:46,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:46,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 29 transitions. [2023-11-24 23:05:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-24 23:05:46,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:46,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:46,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:46,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:46,539 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 23:05:46,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-11-24 23:05:46,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated [2023-11-24 23:05:46,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch103 could not be translated [2023-11-24 23:05:46,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch103 could not be translated [2023-11-24 23:05:46,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:46 ImpRootNode [2023-11-24 23:05:46,598 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:46,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:46,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:46,599 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:46,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:45" (3/4) ... [2023-11-24 23:05:46,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:46,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:46,604 INFO L158 Benchmark]: Toolchain (without parser) took 3113.09ms. Allocated memory is still 188.7MB. Free memory was 155.9MB in the beginning and 101.7MB in the end (delta: 54.2MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-11-24 23:05:46,605 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:46,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.71ms. Allocated memory is still 188.7MB. Free memory was 155.9MB in the beginning and 95.2MB in the end (delta: 60.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:46,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.92ms. Allocated memory is still 188.7MB. Free memory was 95.2MB in the beginning and 155.2MB in the end (delta: -60.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:46,608 INFO L158 Benchmark]: Boogie Preprocessor took 31.50ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 154.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:46,609 INFO L158 Benchmark]: RCFGBuilder took 463.76ms. Allocated memory is still 188.7MB. Free memory was 154.1MB in the beginning and 137.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:46,610 INFO L158 Benchmark]: CodeCheck took 918.63ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 102.5MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:46,615 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 188.7MB. Free memory was 102.5MB in the beginning and 101.7MB in the end (delta: 778.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:46,622 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 47 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1588. 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); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={6:0}] [L1414] COND TRUE line != ((void *)0) [L1588] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:20}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1589] CALL CWE190_Integer_Overflow__int_fgets_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554] case 6: [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.71ms. Allocated memory is still 188.7MB. Free memory was 155.9MB in the beginning and 95.2MB in the end (delta: 60.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.92ms. Allocated memory is still 188.7MB. Free memory was 95.2MB in the beginning and 155.2MB in the end (delta: -60.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.50ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 154.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.76ms. Allocated memory is still 188.7MB. Free memory was 154.1MB in the beginning and 137.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 918.63ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 102.5MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 188.7MB. Free memory was 102.5MB in the beginning and 101.7MB in the end (delta: 778.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch103 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 [2023-11-24 23:05:46,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/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_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi --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 01c9b8bd6bf6d03f55698c37d5c9b4987e10acd19718f3511ca3202d68056c02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:49,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:49,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:05:49,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:49,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:49,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:49,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:49,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:49,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:49,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:49,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:49,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:49,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:49,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:49,664 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:49,665 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:49,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:49,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:49,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:49,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:49,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:49,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:49,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:49,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:49,671 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:49,671 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:49,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:49,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:49,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:49,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:49,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:49,676 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:49,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:49,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:49,677 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:49,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:49,678 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_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01c9b8bd6bf6d03f55698c37d5c9b4987e10acd19718f3511ca3202d68056c02 [2023-11-24 23:05:50,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:50,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:50,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:50,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:50,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:50,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_bad.i [2023-11-24 23:05:53,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:53,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:53,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_bad.i [2023-11-24 23:05:54,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data/7f5d4e646/3f6be6cb41f6424eb48382956363bd67/FLAG69c5f1b04 [2023-11-24 23:05:54,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/data/7f5d4e646/3f6be6cb41f6424eb48382956363bd67 [2023-11-24 23:05:54,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:54,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:54,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:54,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:54,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:54,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:54" (1/1) ... [2023-11-24 23:05:54,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f802af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:54, skipping insertion in model container [2023-11-24 23:05:54,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:54" (1/1) ... [2023-11-24 23:05:54,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:55,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:55,264 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:55,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:55,515 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:55,515 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:55,516 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:55,516 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:55,516 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:55,524 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:55,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55 WrapperNode [2023-11-24 23:05:55,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:55,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:55,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:55,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:55,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,606 INFO L138 Inliner]: procedures = 504, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-24 23:05:55,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:55,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:55,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:55,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:55,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:55,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:55,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:55,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:55,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:55,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:55,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:55,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:05:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:05:55,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:05:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:55,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:05:55,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 23:05:56,008 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:56,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:56,252 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:56,293 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:56,293 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:56,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:56 BoogieIcfgContainer [2023-11-24 23:05:56,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:56,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:56,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:56,306 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:56,306 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-24 23:05:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-24 23:05:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:05:56,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:56,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:56,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:56,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:05:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:56,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:56,701 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:56,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 30 transitions. [2023-11-24 23:05:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-24 23:05:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:05:56,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:56,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:56,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:56,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:05:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:05:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:57,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:57,071 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:57,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 29 transitions. [2023-11-24 23:05:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-24 23:05:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:57,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:57,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:57,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:05:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:57,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:57,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:57,696 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:57,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 23:05:57,706 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 23:05:57,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 23:05:57,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch96 could not be translated [2023-11-24 23:05:57,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-24 23:05:57,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-24 23:05:57,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:57 ImpRootNode [2023-11-24 23:05:57,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:57,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:57,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:57,755 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:57,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:56" (3/4) ... [2023-11-24 23:05:57,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:57,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:57,760 INFO L158 Benchmark]: Toolchain (without parser) took 3714.32ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.4MB in the beginning and 73.4MB in the end (delta: -17.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,760 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 157.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.41ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.4MB in the beginning and 66.7MB in the end (delta: -10.3MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.39ms. Allocated memory is still 115.3MB. Free memory was 66.7MB in the beginning and 63.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,762 INFO L158 Benchmark]: Boogie Preprocessor took 46.24ms. Allocated memory is still 115.3MB. Free memory was 63.7MB in the beginning and 61.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:57,763 INFO L158 Benchmark]: RCFGBuilder took 640.49ms. Allocated memory is still 115.3MB. Free memory was 61.6MB in the beginning and 75.0MB in the end (delta: -13.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,763 INFO L158 Benchmark]: CodeCheck took 1458.36ms. Allocated memory is still 115.3MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-24 23:05:57,763 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 115.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:57,770 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, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 47 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 125 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1588. 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); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={6:0}] [L1414] COND TRUE line != ((void *)0) [L1588] 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] [L1589] CALL CWE190_Integer_Overflow__int_fgets_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554] case 6: [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.77ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 157.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.41ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.4MB in the beginning and 66.7MB in the end (delta: -10.3MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.39ms. Allocated memory is still 115.3MB. Free memory was 66.7MB in the beginning and 63.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.24ms. Allocated memory is still 115.3MB. Free memory was 63.7MB in the beginning and 61.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 640.49ms. Allocated memory is still 115.3MB. Free memory was 61.6MB in the beginning and 75.0MB in the end (delta: -13.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 1458.36ms. Allocated memory is still 115.3MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 115.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:05:57,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd73cb3d-1922-42d1-aa75-67f3d7a2e9dd/bin/ukojak-verify-afCqCEvfdi/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