./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL --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 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:07,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:07,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:56:07,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:07,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:07,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:07,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:07,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:07,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:07,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:07,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:07,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:07,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:07,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:07,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:07,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:07,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:07,330 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:07,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:07,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:07,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:07,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:07,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:07,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:07,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:07,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:07,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:07,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:07,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:07,337 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:07,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:07,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:07,339 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_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 [2023-11-19 02:56:07,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:07,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:07,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:07,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:07,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:07,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2023-11-19 02:56:10,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:11,221 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:11,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2023-11-19 02:56:11,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data/c73e7b65a/f681817f1d3f4ee9881d3d8886ffccfb/FLAG67659ce6e [2023-11-19 02:56:11,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data/c73e7b65a/f681817f1d3f4ee9881d3d8886ffccfb [2023-11-19 02:56:11,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:11,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:11,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:11,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:11,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:11,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0bca58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11, skipping insertion in model container [2023-11-19 02:56:11,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:11,747 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:56:12,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:12,346 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:12,392 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:56:12,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:12,668 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:12,668 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:12,669 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:12,669 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:12,669 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:12,677 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:12,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12 WrapperNode [2023-11-19 02:56:12,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:12,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:12,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:12,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:12,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,756 INFO L138 Inliner]: procedures = 499, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2023-11-19 02:56:12,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:12,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:12,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:12,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:12,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:12,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:12,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:12,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:12,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:12" (1/1) ... [2023-11-19 02:56:12,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:12,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:12,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:12,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:56:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:56:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:56:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:13,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:13,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:13,292 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:13,687 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:13,687 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:56:13,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:13 BoogieIcfgContainer [2023-11-19 02:56:13,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:13,695 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:13,695 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:13,706 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:13,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:13" (1/1) ... [2023-11-19 02:56:13,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:56:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:56:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:56:13,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:13,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:14,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:56:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:14,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:56:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:14,646 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:56:14,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post112 could not be translated [2023-11-19 02:56:14,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:56:14 ImpRootNode [2023-11-19 02:56:14,687 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:56:14,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:56:14,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:56:14,691 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:56:14,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:13" (3/4) ... [2023-11-19 02:56:14,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:56:14,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:56:14,699 INFO L158 Benchmark]: Toolchain (without parser) took 3415.55ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 99.4MB in the beginning and 108.9MB in the end (delta: -9.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:14,699 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:14,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1392.81ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 99.3MB in the beginning and 143.1MB in the end (delta: -43.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:14,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.17ms. Allocated memory is still 209.7MB. Free memory was 143.1MB in the beginning and 140.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:14,702 INFO L158 Benchmark]: Boogie Preprocessor took 34.06ms. Allocated memory is still 209.7MB. Free memory was 140.2MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:14,703 INFO L158 Benchmark]: RCFGBuilder took 898.08ms. Allocated memory is still 209.7MB. Free memory was 138.1MB in the beginning and 161.3MB in the end (delta: -23.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:56:14,704 INFO L158 Benchmark]: CodeCheck took 992.51ms. Allocated memory is still 209.7MB. Free memory was 161.3MB in the beginning and 109.9MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 02:56:14,705 INFO L158 Benchmark]: Witness Printer took 6.81ms. Allocated memory is still 209.7MB. Free memory was 109.9MB in the beginning and 108.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:14,717 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: 0.9s, 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:16}, argv={12:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={8129:0}, dataPtr1={8129:0}, dataPtr2={8129:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1392.81ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 99.3MB in the beginning and 143.1MB in the end (delta: -43.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.17ms. Allocated memory is still 209.7MB. Free memory was 143.1MB in the beginning and 140.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.06ms. Allocated memory is still 209.7MB. Free memory was 140.2MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 898.08ms. Allocated memory is still 209.7MB. Free memory was 138.1MB in the beginning and 161.3MB in the end (delta: -23.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 992.51ms. Allocated memory is still 209.7MB. Free memory was 161.3MB in the beginning and 109.9MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 6.81ms. Allocated memory is still 209.7MB. Free memory was 109.9MB in the beginning and 108.9MB in the end (delta: 1.1MB). 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~post112 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 [2023-11-19 02:56:14,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/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_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL --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 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:17,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:17,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:56:17,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:17,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:17,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:17,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:17,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:17,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:17,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:17,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:17,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:17,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:17,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:17,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:56:17,569 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:56:17,570 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:17,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:56:17,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:17,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:17,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:17,574 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:17,574 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:17,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:17,575 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:17,576 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:56:17,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:17,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:17,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:17,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:17,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:17,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:56:17,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:17,581 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:17,582 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:56:17,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:56:17,583 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_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 [2023-11-19 02:56:17,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:17,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:18,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:18,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:18,003 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:18,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2023-11-19 02:56:21,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:21,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:21,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2023-11-19 02:56:21,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data/78ca6863a/d163876201cd4c17b93227fc16bbb80a/FLAG3c0f09dfc [2023-11-19 02:56:21,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/data/78ca6863a/d163876201cd4c17b93227fc16bbb80a [2023-11-19 02:56:21,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:21,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:21,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:21,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:21,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:21,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:21" (1/1) ... [2023-11-19 02:56:21,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6840b7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:21, skipping insertion in model container [2023-11-19 02:56:21,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:21" (1/1) ... [2023-11-19 02:56:22,059 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:22,569 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:56:23,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:23,054 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:23,076 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:56:23,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:23,279 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:23,280 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:23,280 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:23,280 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:23,280 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:23,288 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:23,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23 WrapperNode [2023-11-19 02:56:23,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:23,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:23,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:23,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:23,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,379 INFO L138 Inliner]: procedures = 504, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-11-19 02:56:23,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:23,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:23,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:23,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:23,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:23,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:23,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:23,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:23,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:23,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:23,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:23,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:56:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:56:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:56:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:56:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:56:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:56:23,720 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:23,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:23,962 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:24,036 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:24,036 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:56:24,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:24 BoogieIcfgContainer [2023-11-19 02:56:24,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:24,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:24,041 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:24,051 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:24,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:56:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:56:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:56:24,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:56:24,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:56:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:56:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:24,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:56:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:24,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:56:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:56:24,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:56:24,772 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:56:24,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-19 02:56:24,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:56:24 ImpRootNode [2023-11-19 02:56:24,802 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:56:24,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:56:24,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:56:24,803 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:56:24,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:24" (3/4) ... [2023-11-19 02:56:24,805 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:56:24,811 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-19 02:56:24,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:56:24,850 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:56:24,851 INFO L158 Benchmark]: Toolchain (without parser) took 2900.75ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.7MB in the beginning and 71.1MB in the end (delta: -21.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:24,851 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:24,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1335.83ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.5MB in the beginning and 59.1MB in the end (delta: -9.6MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-11-19 02:56:24,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.18ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 56.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:24,853 INFO L158 Benchmark]: Boogie Preprocessor took 40.09ms. Allocated memory is still 107.0MB. Free memory was 56.0MB in the beginning and 53.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:24,854 INFO L158 Benchmark]: RCFGBuilder took 618.59ms. Allocated memory is still 107.0MB. Free memory was 53.9MB in the beginning and 62.8MB in the end (delta: -8.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 02:56:24,854 INFO L158 Benchmark]: CodeCheck took 760.96ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 73.2MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:24,854 INFO L158 Benchmark]: Witness Printer took 47.40ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:24,857 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1562]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] 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) [L1571] 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}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1335.83ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 49.5MB in the beginning and 59.1MB in the end (delta: -9.6MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.18ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 56.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.09ms. Allocated memory is still 107.0MB. Free memory was 56.0MB in the beginning and 53.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.59ms. Allocated memory is still 107.0MB. Free memory was 53.9MB in the beginning and 62.8MB in the end (delta: -8.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * CodeCheck took 760.96ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 73.2MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.40ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.0MB). 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~post106 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:56:24,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3eb5b8c-8c12-4d9d-b99e-c6d64c067b85/bin/ukojak-verify-G8NBE6pJGL/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)