./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_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_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/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_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/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_4787107b-b8ef-4319-8d16-75a57e5e7a09/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 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:37,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:37,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:10:37,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:37,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:38,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:38,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:38,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:38,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:38,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:38,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:38,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:38,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:38,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:38,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:38,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:38,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:38,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:38,020 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:38,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:38,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:38,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:38,023 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:38,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:38,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:38,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:38,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:38,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:38,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:38,027 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:38,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:38,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:38,029 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_4787107b-b8ef-4319-8d16-75a57e5e7a09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a [2023-11-23 20:10:38,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:38,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:38,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:38,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:38,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:38,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-23 20:10:41,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:42,053 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:42,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-23 20:10:42,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data/fdaeee4bd/de854af931904026bb590d08c48345f9/FLAG7526f6ab0 [2023-11-23 20:10:42,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data/fdaeee4bd/de854af931904026bb590d08c48345f9 [2023-11-23 20:10:42,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:42,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:42,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:42,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:42,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:42,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:42" (1/1) ... [2023-11-23 20:10:42,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123b5fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:42, skipping insertion in model container [2023-11-23 20:10:42,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:42" (1/1) ... [2023-11-23 20:10:42,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:42,727 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:43,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:43,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:43,404 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:43,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:43,781 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:43,782 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:43,782 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:43,782 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:43,783 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:43,791 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:43,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43 WrapperNode [2023-11-23 20:10:43,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:43,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:43,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:43,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:43,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,903 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 94 [2023-11-23 20:10:43,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:43,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:43,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:43,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:43,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:43,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:43,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:43,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:43,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:43" (1/1) ... [2023-11-23 20:10:43,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:43,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:44,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:10:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:10:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:10:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:44,210 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:44,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:44,415 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:44,703 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:44,703 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:10:44,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:44 BoogieIcfgContainer [2023-11-23 20:10:44,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:44,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:44,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:44,717 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:44,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:44" (1/1) ... [2023-11-23 20:10:44,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:44,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:10:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:10:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:10:44,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:44,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:45,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:45,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:45,409 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:10:45,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post111 could not be translated [2023-11-23 20:10:45,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:10:45 ImpRootNode [2023-11-23 20:10:45,445 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:10:45,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:10:45,445 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:10:45,447 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:10:45,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:44" (3/4) ... [2023-11-23 20:10:45,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:10:45,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:10:45,455 INFO L158 Benchmark]: Toolchain (without parser) took 3339.92ms. Allocated memory is still 140.5MB. Free memory was 107.6MB in the beginning and 79.8MB in the end (delta: 27.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-23 20:10:45,456 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:45,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1674.99ms. Allocated memory is still 140.5MB. Free memory was 107.2MB in the beginning and 98.8MB in the end (delta: 8.4MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:45,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.20ms. Allocated memory is still 140.5MB. Free memory was 98.8MB in the beginning and 95.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:45,459 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 94.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:45,460 INFO L158 Benchmark]: RCFGBuilder took 761.86ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 57.0MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:10:45,461 INFO L158 Benchmark]: CodeCheck took 738.58ms. Allocated memory is still 140.5MB. Free memory was 57.0MB in the beginning and 80.6MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:45,462 INFO L158 Benchmark]: Witness Printer took 8.34ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 830.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:45,472 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: 0.7s, 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 - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_53d_badSink(data) [L1577] data-- 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 0.32ms. Allocated memory is still 115.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1674.99ms. Allocated memory is still 140.5MB. Free memory was 107.2MB in the beginning and 98.8MB in the end (delta: 8.4MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.20ms. Allocated memory is still 140.5MB. Free memory was 98.8MB in the beginning and 95.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 94.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.86ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 57.0MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 738.58ms. Allocated memory is still 140.5MB. Free memory was 57.0MB in the beginning and 80.6MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.34ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 830.3kB). 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~post111 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 20:10:45,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/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_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/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_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/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_4787107b-b8ef-4319-8d16-75a57e5e7a09/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 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:48,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:48,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:10:48,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:48,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:48,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:48,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:48,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:48,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:48,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:48,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:48,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:48,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:48,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:48,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:10:48,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:10:48,365 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:48,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:10:48,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:48,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:48,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:48,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:48,369 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:48,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:48,370 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:48,371 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:48,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:48,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:48,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:48,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:48,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:48,374 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:10:48,374 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:48,375 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:48,375 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:10:48,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:48,376 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_4787107b-b8ef-4319-8d16-75a57e5e7a09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c6f3c29afeaa5db906ae64b239915aa2ddc6c7da536e5b8a2fdbedbd4df252a [2023-11-23 20:10:48,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:48,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:48,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:48,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:48,860 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:48,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-23 20:10:52,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:52,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:52,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_53_bad.i [2023-11-23 20:10:52,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data/a51ac56a8/1a5b80060fbc4db7803d15233b708c5c/FLAG7e8b94491 [2023-11-23 20:10:52,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/data/a51ac56a8/1a5b80060fbc4db7803d15233b708c5c [2023-11-23 20:10:52,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:52,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:52,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:52,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:52,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:52,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:52" (1/1) ... [2023-11-23 20:10:52,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3908f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:52, skipping insertion in model container [2023-11-23 20:10:52,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:52" (1/1) ... [2023-11-23 20:10:52,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:53,186 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:54,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:54,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:54,073 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:10:54,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:54,417 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:54,417 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:54,417 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:54,417 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:54,418 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:10:54,426 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:54,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54 WrapperNode [2023-11-23 20:10:54,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:54,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:54,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:54,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:54,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,505 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2023-11-23 20:10:54,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:54,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:54,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:54,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:54,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:54,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:54,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:54,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:54,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:54" (1/1) ... [2023-11-23 20:10:54,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:54,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:54,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:10:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:10:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:10:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:10:54,839 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:54,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:54,984 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:55,105 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:55,108 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:10:55,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:55 BoogieIcfgContainer [2023-11-23 20:10:55,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:55,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:55,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:55,120 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:55,120 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:55" (1/1) ... [2023-11-23 20:10:55,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-23 20:10:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-23 20:10:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:10:55,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:55,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:55,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:10:55,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:10:55,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:10:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:55,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:55,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:10:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:10:55,655 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:10:55,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:10:55,663 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:10:55,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-11-23 20:10:55,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:10:55 ImpRootNode [2023-11-23 20:10:55,701 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:10:55,705 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:10:55,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:10:55,705 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:10:55,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:55" (3/4) ... [2023-11-23 20:10:55,707 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:10:55,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-11-23 20:10:55,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:10:55,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:10:55,779 INFO L158 Benchmark]: Toolchain (without parser) took 3074.82ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.6MB in the beginning and 55.1MB in the end (delta: -9.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-23 20:10:55,779 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:55,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1718.94ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 66.7MB in the end (delta: -21.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:55,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.27ms. Allocated memory is still 102.8MB. Free memory was 66.7MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:55,780 INFO L158 Benchmark]: Boogie Preprocessor took 39.67ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:55,781 INFO L158 Benchmark]: RCFGBuilder took 564.40ms. Allocated memory is still 102.8MB. Free memory was 61.5MB in the beginning and 73.2MB in the end (delta: -11.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:10:55,781 INFO L158 Benchmark]: CodeCheck took 590.04ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 57.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:55,782 INFO L158 Benchmark]: Witness Printer took 73.34ms. Allocated memory is still 102.8MB. Free memory was 57.1MB in the beginning and 55.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:55,789 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1577]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_53d_badSink(data) [L1577] data-- 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 0.37ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1718.94ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 66.7MB in the end (delta: -21.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.27ms. Allocated memory is still 102.8MB. Free memory was 66.7MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.67ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.40ms. Allocated memory is still 102.8MB. Free memory was 61.5MB in the beginning and 73.2MB in the end (delta: -11.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 590.04ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 57.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 73.34ms. Allocated memory is still 102.8MB. Free memory was 57.1MB in the beginning and 55.1MB 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~post105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post105 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 20:10:55,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4787107b-b8ef-4319-8d16-75a57e5e7a09/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)