./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:25,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:25,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:09:25,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:25,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:25,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:25,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:25,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:25,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:25,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:25,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:25,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:25,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:25,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:25,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:25,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:25,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:25,855 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:25,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:25,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:25,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:25,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:25,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:25,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:25,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:25,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:25,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:25,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:25,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:25,874 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:25,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:25,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:25,876 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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2023-11-23 20:09:26,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:26,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:26,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:26,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:26,181 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:26,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2023-11-23 20:09:29,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:29,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:29,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2023-11-23 20:09:29,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data/5228d0dd1/041263e03399417ab18d9bc11af6f4c3/FLAGc6716eaaa [2023-11-23 20:09:29,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data/5228d0dd1/041263e03399417ab18d9bc11af6f4c3 [2023-11-23 20:09:29,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:29,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:29,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:29,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:29,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:29,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:29" (1/1) ... [2023-11-23 20:09:29,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5332773f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:29, skipping insertion in model container [2023-11-23 20:09:29,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:29" (1/1) ... [2023-11-23 20:09:29,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:30,449 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:09:31,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:31,206 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:31,226 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:09:31,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:31,583 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:31,584 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:31,584 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:31,584 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:31,584 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:31,585 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:31,593 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:31,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31 WrapperNode [2023-11-23 20:09:31,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:31,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:31,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:31,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:31,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,705 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 91 [2023-11-23 20:09:31,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:31,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:31,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:31,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:31,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:31,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:31,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:31,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:31,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:31" (1/1) ... [2023-11-23 20:09:31,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:31,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:31,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:31,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:09:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:09:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:09:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:09:32,013 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:32,015 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:32,209 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:32,511 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:32,511 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:09:32,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:32 BoogieIcfgContainer [2023-11-23 20:09:32,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:32,514 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:32,514 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:32,525 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:32,525 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:32" (1/1) ... [2023-11-23 20:09:32,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:09:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:09:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:09:32,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:33,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:09:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:33,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:09:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:33,397 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:09:33,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:09:33 ImpRootNode [2023-11-23 20:09:33,432 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:09:33,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:09:33,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:09:33,435 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:09:33,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:32" (3/4) ... [2023-11-23 20:09:33,442 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:09:33,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:09:33,444 INFO L158 Benchmark]: Toolchain (without parser) took 3593.50ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 84.0MB in the beginning and 115.9MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:33,445 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 56.2MB in the end (delta: 266.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:33,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1742.45ms. Allocated memory is still 130.0MB. Free memory was 84.0MB in the beginning and 67.0MB in the end (delta: 17.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:33,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.95ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 63.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:33,448 INFO L158 Benchmark]: Boogie Preprocessor took 54.67ms. Allocated memory is still 130.0MB. Free memory was 63.6MB in the beginning and 62.2MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:33,449 INFO L158 Benchmark]: RCFGBuilder took 748.85ms. Allocated memory is still 130.0MB. Free memory was 62.2MB in the beginning and 79.0MB in the end (delta: -16.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-23 20:09:33,451 INFO L158 Benchmark]: CodeCheck took 917.61ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 79.0MB in the beginning and 115.9MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:33,452 INFO L158 Benchmark]: Witness Printer took 9.24ms. Allocated memory is still 157.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:33,462 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: 0.8s, 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, 0.1s 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 - UnprovableResult [Line: 1568]: 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); [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [L1553] 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)) [L1555] CALL funcPtr(data) [L1568] 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 102.8MB. Free memory was 56.5MB in the beginning and 56.2MB in the end (delta: 266.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1742.45ms. Allocated memory is still 130.0MB. Free memory was 84.0MB in the beginning and 67.0MB in the end (delta: 17.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.95ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 63.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.67ms. Allocated memory is still 130.0MB. Free memory was 63.6MB in the beginning and 62.2MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 748.85ms. Allocated memory is still 130.0MB. Free memory was 62.2MB in the beginning and 79.0MB in the end (delta: -16.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * CodeCheck took 917.61ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 79.0MB in the beginning and 115.9MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.24ms. Allocated memory is still 157.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:09:33,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:36,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:36,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:09:36,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:36,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:36,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:36,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:36,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:36,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:36,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:36,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:36,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:36,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:36,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:36,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:09:36,576 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:09:36,577 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:36,577 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:09:36,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:36,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:36,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:36,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:36,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:36,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:36,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:36,582 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:36,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:36,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:36,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:36,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:36,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:36,585 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:09:36,585 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:36,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:36,586 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:09:36,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:36,587 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_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2023-11-23 20:09:36,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:37,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:37,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:37,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:37,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:37,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2023-11-23 20:09:40,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:40,674 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:40,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2023-11-23 20:09:40,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data/c3abee60a/2714aeb299654682b05eb60edc0b6cf9/FLAGe6a36549c [2023-11-23 20:09:40,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/data/c3abee60a/2714aeb299654682b05eb60edc0b6cf9 [2023-11-23 20:09:40,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:40,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:40,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:40,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:40,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:40,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:40" (1/1) ... [2023-11-23 20:09:40,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1d6894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:40, skipping insertion in model container [2023-11-23 20:09:40,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:40" (1/1) ... [2023-11-23 20:09:40,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:41,406 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:09:42,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:42,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:42,108 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:09:42,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:42,359 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:42,359 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:42,359 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:42,359 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:42,360 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:42,360 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:42,368 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:42,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42 WrapperNode [2023-11-23 20:09:42,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:42,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:42,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:42,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:42,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,431 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2023-11-23 20:09:42,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:42,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:42,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:42,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:42,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:42,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:42,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:42,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:42,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:42" (1/1) ... [2023-11-23 20:09:42,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:42,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:42,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:42,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:09:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:09:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:09:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:42,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:42,558 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:09:42,728 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:42,730 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:42,864 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:42,999 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:42,999 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:09:43,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:43 BoogieIcfgContainer [2023-11-23 20:09:43,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:43,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:43,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:43,028 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:43,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:43" (1/1) ... [2023-11-23 20:09:43,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:09:43,096 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:09:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:09:43,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:43,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:43,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:09:43,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:09:43,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:09:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:43,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:09:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:43,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:09:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:09:43,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:09:43,612 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:09:43,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:09:43 ImpRootNode [2023-11-23 20:09:43,634 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:09:43,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:09:43,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:09:43,635 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:09:43,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:43" (3/4) ... [2023-11-23 20:09:43,636 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:09:43,677 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:09:43,678 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:09:43,679 INFO L158 Benchmark]: Toolchain (without parser) took 2941.76ms. Allocated memory is still 102.8MB. Free memory was 75.9MB in the beginning and 62.2MB in the end (delta: 13.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-23 20:09:43,679 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:43,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1628.90ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 71.1MB in the end (delta: 4.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-23 20:09:43,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.90ms. Allocated memory is still 102.8MB. Free memory was 71.1MB in the beginning and 67.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:43,681 INFO L158 Benchmark]: Boogie Preprocessor took 48.95ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 65.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:43,682 INFO L158 Benchmark]: RCFGBuilder took 519.07ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 46.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:09:43,682 INFO L158 Benchmark]: CodeCheck took 632.02ms. Allocated memory is still 102.8MB. Free memory was 46.9MB in the beginning and 64.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:43,683 INFO L158 Benchmark]: Witness Printer took 43.35ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:43,686 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, 0.0s 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: 1568]: 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [L1553] 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)) [L1555] CALL funcPtr(data) [L1568] 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 0.64ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1628.90ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 71.1MB in the end (delta: 4.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.90ms. Allocated memory is still 102.8MB. Free memory was 71.1MB in the beginning and 67.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.95ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 65.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.07ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 46.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 632.02ms. Allocated memory is still 102.8MB. Free memory was 46.9MB in the beginning and 64.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.35ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:09:43,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41f3efd-0d5a-4e9f-9043-37cf3f265723/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)