./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/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_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/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_90009cd3-4ffd-4637-b130-9d9dffff1867/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 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:04,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:04,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:00:04,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:04,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:04,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:04,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:04,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:04,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:04,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:04,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:04,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:04,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:04,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:04,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:04,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:04,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:04,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:04,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:04,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:04,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:04,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:04,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:04,463 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:04,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:04,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:04,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:04,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:04,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:04,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:04,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:04,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:04,470 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_90009cd3-4ffd-4637-b130-9d9dffff1867/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd [2023-11-19 04:00:04,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:04,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:04,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:04,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:04,894 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:04,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2023-11-19 04:00:08,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:08,929 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:08,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2023-11-19 04:00:08,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data/76d8ec2eb/2f412645a0e84f77aef2f7ae832d419d/FLAGa2e195150 [2023-11-19 04:00:08,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data/76d8ec2eb/2f412645a0e84f77aef2f7ae832d419d [2023-11-19 04:00:08,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:08,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:08,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:08,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:08,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:08,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:08" (1/1) ... [2023-11-19 04:00:08,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bf7ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:08, skipping insertion in model container [2023-11-19 04:00:08,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:08" (1/1) ... [2023-11-19 04:00:09,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:09,484 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:10,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:10,123 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:10,146 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:10,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:10,457 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:10,457 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:10,458 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:10,458 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:10,458 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:10,466 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:10,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10 WrapperNode [2023-11-19 04:00:10,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:10,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:10,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:10,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:10,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,574 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-11-19 04:00:10,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:10,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:10,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:10,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:10,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:10,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:10,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:10,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:10,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:10" (1/1) ... [2023-11-19 04:00:10,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:10,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:10,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:00:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:00:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:10,882 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:10,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:11,117 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:11,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:11,405 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:00:11,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:11 BoogieIcfgContainer [2023-11-19 04:00:11,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:11,411 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:11,411 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:11,421 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:11,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:11" (1/1) ... [2023-11-19 04:00:11,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 04:00:11,487 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 04:00:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:11,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:11,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:11,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:12,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:12,317 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:00:12,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-19 04:00:12,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-19 04:00:12,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:00:12 ImpRootNode [2023-11-19 04:00:12,364 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:00:12,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:00:12,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:00:12,368 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:00:12,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:11" (3/4) ... [2023-11-19 04:00:12,373 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:00:12,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:00:12,377 INFO L158 Benchmark]: Toolchain (without parser) took 3387.02ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 82.1MB in the beginning and 116.2MB in the end (delta: -34.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-19 04:00:12,378 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 130.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:12,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1476.18ms. Allocated memory is still 130.0MB. Free memory was 81.8MB in the beginning and 61.0MB in the end (delta: 20.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:00:12,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.26ms. Allocated memory is still 130.0MB. Free memory was 61.0MB in the beginning and 58.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:12,381 INFO L158 Benchmark]: Boogie Preprocessor took 65.38ms. Allocated memory is still 130.0MB. Free memory was 57.8MB in the beginning and 56.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:12,381 INFO L158 Benchmark]: RCFGBuilder took 767.32ms. Allocated memory is still 130.0MB. Free memory was 56.3MB in the beginning and 63.6MB in the end (delta: -7.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-19 04:00:12,383 INFO L158 Benchmark]: CodeCheck took 953.91ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 63.6MB in the beginning and 116.2MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:12,384 INFO L158 Benchmark]: Witness Printer took 7.74ms. Allocated memory is still 172.0MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:12,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [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] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 130.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1476.18ms. Allocated memory is still 130.0MB. Free memory was 81.8MB in the beginning and 61.0MB in the end (delta: 20.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.26ms. Allocated memory is still 130.0MB. Free memory was 61.0MB in the beginning and 58.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.38ms. Allocated memory is still 130.0MB. Free memory was 57.8MB in the beginning and 56.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 767.32ms. Allocated memory is still 130.0MB. Free memory was 56.3MB in the beginning and 63.6MB in the end (delta: -7.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * CodeCheck took 953.91ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 63.6MB in the beginning and 116.2MB in the end (delta: -52.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.74ms. Allocated memory is still 172.0MB. Free memory is still 116.2MB. 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~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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 04:00:12,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/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_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/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_90009cd3-4ffd-4637-b130-9d9dffff1867/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 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:15,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:15,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 04:00:15,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:15,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:15,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:15,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:15,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:15,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:15,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:15,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:15,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:15,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:15,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:15,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:00:15,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:00:15,315 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:15,315 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:00:15,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:15,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:15,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:15,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:15,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:15,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:15,318 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:00:15,318 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:00:15,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:15,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:15,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:15,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:15,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:15,322 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:00:15,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:00:15,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:15,322 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:00:15,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:00:15,323 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_90009cd3-4ffd-4637-b130-9d9dffff1867/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd [2023-11-19 04:00:15,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:15,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:15,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:15,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:15,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:15,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2023-11-19 04:00:19,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:20,073 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:20,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2023-11-19 04:00:20,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data/57b604b6e/458e9442c57947fca8d0f163ffa6c2a6/FLAG0212edbc5 [2023-11-19 04:00:20,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/data/57b604b6e/458e9442c57947fca8d0f163ffa6c2a6 [2023-11-19 04:00:20,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:20,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:20,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:20,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:20,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:20,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:20" (1/1) ... [2023-11-19 04:00:20,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4cd26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:20, skipping insertion in model container [2023-11-19 04:00:20,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:20" (1/1) ... [2023-11-19 04:00:20,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:20,597 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:21,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:21,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:21,131 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:21,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:21,382 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:21,382 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:21,383 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:21,383 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:21,383 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:21,392 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:21,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21 WrapperNode [2023-11-19 04:00:21,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:21,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:21,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:21,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:21,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,470 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-19 04:00:21,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:21,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:21,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:21,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:21,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:21,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:21,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:21,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:21,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:21" (1/1) ... [2023-11-19 04:00:21,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:21,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:21,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:21,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:00:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:00:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:00:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:00:21,803 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:21,807 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:21,977 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:22,077 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:22,079 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:00:22,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:22 BoogieIcfgContainer [2023-11-19 04:00:22,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:22,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:22,088 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:22,098 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:22,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:22" (1/1) ... [2023-11-19 04:00:22,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 04:00:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 04:00:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:22,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:22,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:00:22,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:00:22,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:00:22,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:00:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:22,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:22,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:22,603 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:00:22,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:00:22,612 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:00:22,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 04:00:22,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 04:00:22,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:00:22 ImpRootNode [2023-11-19 04:00:22,664 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:00:22,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:00:22,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:00:22,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:00:22,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:22" (3/4) ... [2023-11-19 04:00:22,667 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:00:22,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 04:00:22,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 04:00:22,724 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:00:22,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:00:22,726 INFO L158 Benchmark]: Toolchain (without parser) took 2587.92ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 48.3MB in the beginning and 70.6MB in the end (delta: -22.3MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-19 04:00:22,726 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:22,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.09ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 55.2MB in the end (delta: -7.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:22,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.91ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 52.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:22,729 INFO L158 Benchmark]: Boogie Preprocessor took 47.90ms. Allocated memory is still 107.0MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:22,729 INFO L158 Benchmark]: RCFGBuilder took 564.01ms. Allocated memory is still 107.0MB. Free memory was 50.1MB in the beginning and 59.9MB in the end (delta: -9.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-19 04:00:22,730 INFO L158 Benchmark]: CodeCheck took 576.40ms. Allocated memory is still 107.0MB. Free memory was 59.9MB in the beginning and 72.6MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:22,730 INFO L158 Benchmark]: Witness Printer took 59.31ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:22,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1561]: 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [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] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.09ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 55.2MB in the end (delta: -7.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.91ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 52.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.90ms. Allocated memory is still 107.0MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.01ms. Allocated memory is still 107.0MB. Free memory was 50.1MB in the beginning and 59.9MB in the end (delta: -9.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * CodeCheck took 576.40ms. Allocated memory is still 107.0MB. Free memory was 59.9MB in the beginning and 72.6MB in the end (delta: -12.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.31ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 70.6MB 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~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 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 04:00:22,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90009cd3-4ffd-4637-b130-9d9dffff1867/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)