./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_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_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/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_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/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_75d7421e-bb69-4674-86f5-abb0026770e0/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 eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:30,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:30,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:18:30,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:30,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:30,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:30,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:30,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:30,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:30,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:30,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:30,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:30,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:30,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:30,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:30,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:30,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:30,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:30,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:30,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:30,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:30,791 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:30,791 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:30,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:30,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:30,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:30,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:30,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:30,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:30,795 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:30,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:30,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:30,797 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_75d7421e-bb69-4674-86f5-abb0026770e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a [2023-11-23 20:18:31,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:31,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:31,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:31,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:31,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:31,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i [2023-11-23 20:18:34,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:34,691 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:34,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i [2023-11-23 20:18:34,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data/172643207/477f24341d904881a8f65e253732777d/FLAGa99c22a7b [2023-11-23 20:18:34,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data/172643207/477f24341d904881a8f65e253732777d [2023-11-23 20:18:34,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:34,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:34,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:34,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:34,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:34,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:34" (1/1) ... [2023-11-23 20:18:34,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d044edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:34, skipping insertion in model container [2023-11-23 20:18:34,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:34" (1/1) ... [2023-11-23 20:18:34,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:35,383 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:36,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:36,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:36,351 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:36,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:36,590 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:36,591 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:36,591 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:36,591 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:36,591 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:36,599 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:36,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36 WrapperNode [2023-11-23 20:18:36,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:36,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:36,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:36,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:36,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,674 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2023-11-23 20:18:36,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:36,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:36,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:36,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:36,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:36,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:36,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:36,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:36,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:36" (1/1) ... [2023-11-23 20:18:36,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:36,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:36,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:36,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:18:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:18:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:18:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:18:36,972 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:36,975 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:37,193 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:37,505 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:37,505 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:18:37,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:37 BoogieIcfgContainer [2023-11-23 20:18:37,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:37,509 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:37,509 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:37,520 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:37,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:37" (1/1) ... [2023-11-23 20:18:37,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:18:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:18:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:18:37,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:37,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:38,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:38,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:38,370 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:18:38,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated [2023-11-23 20:18:38,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:38 ImpRootNode [2023-11-23 20:18:38,409 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:38,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:38,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:38,413 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:38,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:37" (3/4) ... [2023-11-23 20:18:38,415 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:18:38,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:38,417 INFO L158 Benchmark]: Toolchain (without parser) took 3657.36ms. Allocated memory is still 136.3MB. Free memory was 97.4MB in the beginning and 94.0MB in the end (delta: 3.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-23 20:18:38,418 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:38,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1837.52ms. Allocated memory is still 136.3MB. Free memory was 97.1MB in the beginning and 78.5MB in the end (delta: 18.6MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-11-23 20:18:38,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.62ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 75.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:38,421 INFO L158 Benchmark]: Boogie Preprocessor took 32.40ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:38,422 INFO L158 Benchmark]: RCFGBuilder took 798.59ms. Allocated memory is still 136.3MB. Free memory was 74.3MB in the beginning and 83.0MB in the end (delta: -8.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:38,423 INFO L158 Benchmark]: CodeCheck took 901.31ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 94.0MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:38,424 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 136.3MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:38,435 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: 0.8s, 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, 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.32ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1837.52ms. Allocated memory is still 136.3MB. Free memory was 97.1MB in the beginning and 78.5MB in the end (delta: 18.6MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.62ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 75.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.40ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 798.59ms. Allocated memory is still 136.3MB. Free memory was 74.3MB in the beginning and 83.0MB in the end (delta: -8.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 901.31ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 94.0MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 136.3MB. Free memory is still 94.0MB. 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: IdentifierExpression #t~post110 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 [2023-11-23 20:18:38,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/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 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_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/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_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/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 eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:41,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:41,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:18:41,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:41,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:41,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:41,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:41,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:41,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:41,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:41,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:41,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:41,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:41,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:41,295 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:18:41,295 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:18:41,296 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:41,296 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:18:41,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:41,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:41,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:41,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:41,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:41,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:41,300 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:41,301 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:41,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:41,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:41,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:41,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:41,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:41,304 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:18:41,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:41,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:41,305 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:18:41,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:41,306 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_75d7421e-bb69-4674-86f5-abb0026770e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eeabfb55dc7b9fca215bed84d5554dcc09ff340a88524ee625c28e2d6a000c8a [2023-11-23 20:18:41,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:41,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:41,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:41,825 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:41,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:41,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i [2023-11-23 20:18:45,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:45,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:45,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_bad.i [2023-11-23 20:18:45,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data/abee07ad2/65a4d9b1e2594d4bb552d84b671e9cbf/FLAG72eba4b7a [2023-11-23 20:18:45,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/data/abee07ad2/65a4d9b1e2594d4bb552d84b671e9cbf [2023-11-23 20:18:45,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:45,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:45,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:45,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:45,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:45,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:45" (1/1) ... [2023-11-23 20:18:45,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3364ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45, skipping insertion in model container [2023-11-23 20:18:45,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:45" (1/1) ... [2023-11-23 20:18:45,805 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:46,245 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:46,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:46,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:46,817 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:46,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:47,024 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:47,024 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:47,025 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:47,025 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:47,025 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:47,033 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:47,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47 WrapperNode [2023-11-23 20:18:47,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:47,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:47,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:47,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:47,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,116 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-23 20:18:47,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:47,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:47,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:47,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:47,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:47,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:47,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:47,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:47,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:47,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:47,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:47,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:18:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:18:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:18:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:18:47,520 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:47,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:47,723 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:47,831 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:47,831 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:18:47,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:47 BoogieIcfgContainer [2023-11-23 20:18:47,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:47,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:47,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:47,845 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:47,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:18:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:18:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:18:47,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:47,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:47,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:18:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:48,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:48,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:48,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:18:48,305 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:18:48,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-23 20:18:48,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:48 ImpRootNode [2023-11-23 20:18:48,344 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:48,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:48,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:48,346 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:48,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:47" (3/4) ... [2023-11-23 20:18:48,348 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:18:48,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-23 20:18:48,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:18:48,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:48,431 INFO L158 Benchmark]: Toolchain (without parser) took 2714.55ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 69.9MB in the beginning and 85.5MB in the end (delta: -15.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:48,431 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 92.3MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:48,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.00ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 69.6MB in the beginning and 89.0MB in the end (delta: -19.4MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:48,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.98ms. Allocated memory is still 123.7MB. Free memory was 89.0MB in the beginning and 86.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:48,433 INFO L158 Benchmark]: Boogie Preprocessor took 80.88ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 84.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:48,434 INFO L158 Benchmark]: RCFGBuilder took 634.45ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 65.4MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:18:48,434 INFO L158 Benchmark]: CodeCheck took 509.61ms. Allocated memory is still 123.7MB. Free memory was 65.4MB in the beginning and 87.6MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:48,435 INFO L158 Benchmark]: Witness Printer took 83.70ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:48,442 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: 0.4s, 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, 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: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.64ms. Allocated memory is still 92.3MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.00ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 69.6MB in the beginning and 89.0MB in the end (delta: -19.4MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.98ms. Allocated memory is still 123.7MB. Free memory was 89.0MB in the beginning and 86.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.88ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 84.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.45ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 65.4MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 509.61ms. Allocated memory is still 123.7MB. Free memory was 65.4MB in the beginning and 87.6MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.70ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:18:48,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d7421e-bb69-4674-86f5-abb0026770e0/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)