./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2 --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 2ae897b54ee90d280531b5c70c24d7933fe6db420cbd2ceb52808d111afea984 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:51,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:52,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:36:52,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:52,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:52,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:52,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:52,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:52,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:52,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:52,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:52,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:52,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:52,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:52,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:52,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:52,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:52,078 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:52,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:52,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:52,080 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:52,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:52,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:52,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:52,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:52,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:52,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:52,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:52,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:52,085 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:52,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:52,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:52,088 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_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ae897b54ee90d280531b5c70c24d7933fe6db420cbd2ceb52808d111afea984 [2023-11-21 18:36:52,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:52,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:52,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:52,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:52,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:52,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i [2023-11-21 18:36:55,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:56,485 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:56,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_32_bad.i [2023-11-21 18:36:56,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/data/ecf8840fa/d30121d4f17b4a0bb6387a8b069a7207/FLAGc3b0bcf5d [2023-11-21 18:36:56,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/data/ecf8840fa/d30121d4f17b4a0bb6387a8b069a7207 [2023-11-21 18:36:56,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:56,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:56,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:56,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:56,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:56,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ad8bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:56, skipping insertion in model container [2023-11-21 18:36:56,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:56" (1/1) ... [2023-11-21 18:36:56,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:57,241 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:58,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:58,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:58,097 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:58,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:58,467 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:58,468 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:58,468 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:58,468 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:58,469 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:58,477 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:58,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58 WrapperNode [2023-11-21 18:36:58,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:58,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:58,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:58,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:58,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,600 INFO L138 Inliner]: procedures = 499, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-11-21 18:36:58,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:58,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:58,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:58,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:58,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:58,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:58,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:58,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:58,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:58" (1/1) ... [2023-11-21 18:36:58,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:58,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:58,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:58,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:36:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:36:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:36:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:58,989 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:58,992 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:59,193 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:59,253 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:59,254 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:36:59,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:59 BoogieIcfgContainer [2023-11-21 18:36:59,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:59,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:59,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:59,281 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:59,281 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:59" (1/1) ... [2023-11-21 18:36:59,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-21 18:36:59,380 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-21 18:36:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:36:59,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:36:59,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:36:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:36:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:36:59,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:36:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:36:59,890 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:36:59,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:36:59 ImpRootNode [2023-11-21 18:36:59,937 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:36:59,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:36:59,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:36:59,939 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:36:59,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:59" (3/4) ... [2023-11-21 18:36:59,941 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:37:00,022 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:37:00,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:37:00,023 INFO L158 Benchmark]: Toolchain (without parser) took 3461.01ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 97.1MB in the beginning and 78.1MB in the end (delta: 19.0MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-11-21 18:37:00,024 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:00,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1912.19ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 96.8MB in the beginning and 116.9MB in the end (delta: -20.1MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-21 18:37:00,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.24ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 113.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:00,026 INFO L158 Benchmark]: Boogie Preprocessor took 66.40ms. Allocated memory is still 186.6MB. Free memory was 113.7MB in the beginning and 112.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:00,027 INFO L158 Benchmark]: RCFGBuilder took 586.85ms. Allocated memory is still 186.6MB. Free memory was 112.7MB in the beginning and 98.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:37:00,027 INFO L158 Benchmark]: CodeCheck took 670.09ms. Allocated memory is still 186.6MB. Free memory was 98.0MB in the beginning and 80.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:37:00,028 INFO L158 Benchmark]: Witness Printer took 84.11ms. Allocated memory is still 186.6MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:00,032 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: 0.6s, 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, 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: 1562]: 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); [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR data = (-0x7fffffff - 1) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = (-0x7fffffff - 1); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7580:0}, dataPtr1={7580:0}, dataPtr2={7580:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1912.19ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 96.8MB in the beginning and 116.9MB in the end (delta: -20.1MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.24ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 113.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.40ms. Allocated memory is still 186.6MB. Free memory was 113.7MB in the beginning and 112.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.85ms. Allocated memory is still 186.6MB. Free memory was 112.7MB in the beginning and 98.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 670.09ms. Allocated memory is still 186.6MB. Free memory was 98.0MB in the beginning and 80.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 84.11ms. Allocated memory is still 186.6MB. Free memory was 80.2MB in the beginning and 78.1MB 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! [2023-11-21 18:37:00,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd560c0-1c5c-4abf-af23-0275bc4bceee/bin/ukojak-verify-i0I2FZA1j2/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)