./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV --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 fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:37,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:37,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:42:37,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:37,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:37,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:37,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:37,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:37,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:37,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:37,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:37,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:37,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:37,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:37,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:37,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:37,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:37,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:42:37,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:42:37,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:37,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:37,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:37,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:37,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:37,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:37,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:37,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:37,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:37,551 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:37,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:37,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:37,553 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_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb07d69efddb97c2a5ae880bf2a6e91d21e4820575d9ecaa5c1e435c150454ce [2023-11-11 23:42:37,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:37,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:37,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:37,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:37,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:37,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2023-11-11 23:42:41,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:42,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:42,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_52_bad.i [2023-11-11 23:42:42,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/data/d37b52b79/a68e700230234f3398d5be1cae3a8e76/FLAG45a5de1c3 [2023-11-11 23:42:42,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/data/d37b52b79/a68e700230234f3398d5be1cae3a8e76 [2023-11-11 23:42:42,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:42,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:42,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:42,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:42,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:42,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:42" (1/1) ... [2023-11-11 23:42:42,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33258d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:42, skipping insertion in model container [2023-11-11 23:42:42,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:42" (1/1) ... [2023-11-11 23:42:42,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:42,793 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:42:43,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:43,464 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:43,489 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:42:43,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:43,810 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:43,810 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:43,811 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:43,811 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:43,811 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:43,820 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:43,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43 WrapperNode [2023-11-11 23:42:43,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:43,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:43,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:43,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:43,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,923 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2023-11-11 23:42:43,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:43,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:43,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:43,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:43,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:43,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:43,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:43,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:43,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:43,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:43" (1/1) ... [2023-11-11 23:42:44,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:44,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:44,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:44,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:42:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:42:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:42:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:42:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:42:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:42:44,266 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:44,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:44,400 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:44,444 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:44,445 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:42:44,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:44 BoogieIcfgContainer [2023-11-11 23:42:44,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:44,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:44,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:44,459 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:44,460 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:44" (1/1) ... [2023-11-11 23:42:44,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:42:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-11 23:42:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-11 23:42:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:42:44,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:44,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:44,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:42:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:44,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:42:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:42:44,868 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:42:44,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:42:44 ImpRootNode [2023-11-11 23:42:44,925 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:42:44,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:42:44,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:42:44,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:42:44,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:44" (3/4) ... [2023-11-11 23:42:44,932 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:42:45,024 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:42:45,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:42:45,026 INFO L158 Benchmark]: Toolchain (without parser) took 2827.83ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 89.3MB in the end (delta: 9.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-11 23:42:45,026 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:45,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.57ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 72.1MB in the end (delta: 25.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-11 23:42:45,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.45ms. Allocated memory is still 144.7MB. Free memory was 72.1MB in the beginning and 69.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:42:45,028 INFO L158 Benchmark]: Boogie Preprocessor took 63.96ms. Allocated memory is still 144.7MB. Free memory was 69.1MB in the beginning and 67.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:45,028 INFO L158 Benchmark]: RCFGBuilder took 458.71ms. Allocated memory is still 144.7MB. Free memory was 67.6MB in the beginning and 109.0MB in the end (delta: -41.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-11 23:42:45,029 INFO L158 Benchmark]: CodeCheck took 476.23ms. Allocated memory is still 144.7MB. Free memory was 109.0MB in the beginning and 91.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:42:45,029 INFO L158 Benchmark]: Witness Printer took 95.70ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:45,032 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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); [L1559] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:31}, argv={12:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_52_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_sub_52c_badSink(data) [L1572] data - 1 VAL [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 0.28ms. Allocated memory is still 104.9MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.57ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 72.1MB in the end (delta: 25.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.45ms. Allocated memory is still 144.7MB. Free memory was 72.1MB in the beginning and 69.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.96ms. Allocated memory is still 144.7MB. Free memory was 69.1MB in the beginning and 67.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.71ms. Allocated memory is still 144.7MB. Free memory was 67.6MB in the beginning and 109.0MB in the end (delta: -41.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * CodeCheck took 476.23ms. Allocated memory is still 144.7MB. Free memory was 109.0MB in the beginning and 91.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 95.70ms. Allocated memory is still 144.7MB. Free memory was 91.4MB in the beginning and 89.3MB 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! [2023-11-11 23:42:45,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f50c93-b3c7-4bd9-8832-b03ebd4de8c0/bin/ukojak-verify-0OAaufAVZV/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)