./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:21,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:21,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:20:21,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:21,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:21,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:21,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:21,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:21,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:21,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:21,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:21,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:21,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:21,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:21,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:21,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:21,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:21,261 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:21,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:21,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:21,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:21,264 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:21,264 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:21,265 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:21,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:21,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:21,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:21,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:21,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:21,267 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:21,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:21,269 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:21,269 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_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 [2023-11-23 20:20:21,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:21,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:21,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:21,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:21,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:21,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i [2023-11-23 20:20:24,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:25,206 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:25,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i [2023-11-23 20:20:25,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/data/ed453f92c/77f5b8b59c144ceb86c226e991a5774d/FLAGdb3839845 [2023-11-23 20:20:25,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/data/ed453f92c/77f5b8b59c144ceb86c226e991a5774d [2023-11-23 20:20:25,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:25,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:25,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:25,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:25,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:25,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:25" (1/1) ... [2023-11-23 20:20:25,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da814f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:25, skipping insertion in model container [2023-11-23 20:20:25,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:25" (1/1) ... [2023-11-23 20:20:25,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:25,858 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:26,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:26,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:26,498 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:26,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:26,785 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:26,785 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:26,785 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:26,785 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:26,785 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:26,794 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:26,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26 WrapperNode [2023-11-23 20:20:26,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:26,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:26,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:26,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:26,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,880 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2023-11-23 20:20:26,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:26,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:26,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:26,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:26,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:26,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:26,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:26,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:26,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:26" (1/1) ... [2023-11-23 20:20:26,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:26,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:27,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:27,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:20:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:20:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:20:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:27,190 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:27,193 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:27,325 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:27,380 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:27,381 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:20:27,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:27 BoogieIcfgContainer [2023-11-23 20:20:27,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:27,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:27,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:27,395 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:27,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:20:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:20:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:27,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:27,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:20:27,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:20:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:20:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:20:27,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:20:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:20:27,965 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:20:28,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:20:28 ImpRootNode [2023-11-23 20:20:28,009 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:20:28,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:20:28,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:20:28,010 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:20:28,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:27" (3/4) ... [2023-11-23 20:20:28,012 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:20:28,061 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:20:28,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:20:28,063 INFO L158 Benchmark]: Toolchain (without parser) took 2783.94ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 60.7MB in the end (delta: 60.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-23 20:20:28,063 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:28,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1512.44ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 99.6MB in the end (delta: 21.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-23 20:20:28,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.43ms. Allocated memory is still 169.9MB. Free memory was 99.6MB in the beginning and 96.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:28,065 INFO L158 Benchmark]: Boogie Preprocessor took 57.37ms. Allocated memory is still 169.9MB. Free memory was 96.4MB in the beginning and 95.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:28,066 INFO L158 Benchmark]: RCFGBuilder took 443.73ms. Allocated memory is still 169.9MB. Free memory was 95.4MB in the beginning and 80.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:20:28,067 INFO L158 Benchmark]: CodeCheck took 625.42ms. Allocated memory is still 169.9MB. Free memory was 80.7MB in the beginning and 63.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:28,068 INFO L158 Benchmark]: Witness Printer took 51.97ms. Allocated memory is still 169.9MB. Free memory was 62.8MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:28,071 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 1572]: integer overflow possible integer overflow possible We found a 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={16:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 1 [L1556] EXPR \read(data) [L1556] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.35ms. Allocated memory is still 134.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1512.44ms. Allocated memory is still 169.9MB. Free memory was 121.0MB in the beginning and 99.6MB in the end (delta: 21.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.43ms. Allocated memory is still 169.9MB. Free memory was 99.6MB in the beginning and 96.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.37ms. Allocated memory is still 169.9MB. Free memory was 96.4MB in the beginning and 95.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.73ms. Allocated memory is still 169.9MB. Free memory was 95.4MB in the beginning and 80.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 625.42ms. Allocated memory is still 169.9MB. Free memory was 80.7MB in the beginning and 63.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 51.97ms. Allocated memory is still 169.9MB. Free memory was 62.8MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:20:28,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b4d0f69-0087-4c4e-ad23-c637cc5d0ba8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)