./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_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_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/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_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/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_06ef1621-aaad-4411-a695-c9d939bcb931/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:28,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:28,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:45:28,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:28,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:28,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:28,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:28,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:28,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:28,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:28,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:28,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:28,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:28,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:28,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:28,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:28,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:28,574 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:45:28,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:28,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:28,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:28,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:28,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:28,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:28,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:28,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:28,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:28,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:28,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:28,581 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:28,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:28,583 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:28,583 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_06ef1621-aaad-4411-a695-c9d939bcb931/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2023-11-19 02:45:28,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:28,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:28,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:28,954 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:28,955 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:28,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-19 02:45:32,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:32,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:32,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-19 02:45:32,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data/43d93b74e/6cffc952dbb2414789926d7c2e54869e/FLAG2b86131ce [2023-11-19 02:45:32,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data/43d93b74e/6cffc952dbb2414789926d7c2e54869e [2023-11-19 02:45:32,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:32,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:32,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:32,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:32,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:32,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5460ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:32, skipping insertion in model container [2023-11-19 02:45:32,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:32" (1/1) ... [2023-11-19 02:45:32,772 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:33,155 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:33,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:33,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:33,836 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:33,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:34,190 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:34,191 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:34,191 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:34,191 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:34,192 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:34,199 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:34,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34 WrapperNode [2023-11-19 02:45:34,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:34,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:34,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:34,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:34,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,300 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2023-11-19 02:45:34,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:34,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:34,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:34,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:34,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:34,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:34,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:34,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:34,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:34" (1/1) ... [2023-11-19 02:45:34,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:34,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:34,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:45:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:45:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:45:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:34,604 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:34,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:34,821 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:35,155 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:35,155 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:45:35,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:35 BoogieIcfgContainer [2023-11-19 02:45:35,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:35,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:35,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:35,172 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:35,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:35" (1/1) ... [2023-11-19 02:45:35,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:35,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 02:45:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 02:45:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:35,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:35,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:35,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:35,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:35,924 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:45:35,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-19 02:45:35,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-19 02:45:35,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:35 ImpRootNode [2023-11-19 02:45:35,965 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:35,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:35,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:35,968 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:35,968 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:35" (3/4) ... [2023-11-19 02:45:35,972 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:45:35,973 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:35,975 INFO L158 Benchmark]: Toolchain (without parser) took 3295.49ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 106.9MB in the beginning and 164.5MB in the end (delta: -57.6MB). Peak memory consumption was 792.1kB. Max. memory is 16.1GB. [2023-11-19 02:45:35,975 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory was 126.9MB in the beginning and 126.7MB in the end (delta: 201.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:35,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1518.68ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 106.9MB in the beginning and 165.8MB in the end (delta: -58.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2023-11-19 02:45:35,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.91ms. Allocated memory is still 211.8MB. Free memory was 165.8MB in the beginning and 162.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:35,978 INFO L158 Benchmark]: Boogie Preprocessor took 65.94ms. Allocated memory is still 211.8MB. Free memory was 162.7MB in the beginning and 161.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:35,979 INFO L158 Benchmark]: RCFGBuilder took 791.24ms. Allocated memory is still 211.8MB. Free memory was 161.6MB in the beginning and 119.7MB in the end (delta: 41.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 02:45:35,980 INFO L158 Benchmark]: CodeCheck took 803.94ms. Allocated memory is still 211.8MB. Free memory was 119.7MB in the beginning and 164.5MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:35,981 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 211.8MB. Free memory is still 164.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:35,991 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: 0.7s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) 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] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory was 126.9MB in the beginning and 126.7MB in the end (delta: 201.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1518.68ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 106.9MB in the beginning and 165.8MB in the end (delta: -58.9MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.91ms. Allocated memory is still 211.8MB. Free memory was 165.8MB in the beginning and 162.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.94ms. Allocated memory is still 211.8MB. Free memory was 162.7MB in the beginning and 161.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 791.24ms. Allocated memory is still 211.8MB. Free memory was 161.6MB in the beginning and 119.7MB in the end (delta: 41.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 803.94ms. Allocated memory is still 211.8MB. Free memory was 119.7MB in the beginning and 164.5MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 211.8MB. Free memory is still 164.5MB. 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 02:45:36,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/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_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/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_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/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_06ef1621-aaad-4411-a695-c9d939bcb931/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:38,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:38,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:45:38,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:38,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:38,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:38,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:38,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:38,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:38,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:38,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:38,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:38,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:38,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:38,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:45:38,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:45:38,832 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:45:38,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:45:38,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:38,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:38,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:38,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:38,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:38,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:38,836 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:38,836 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:38,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:38,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:38,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:38,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:38,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:38,839 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:45:38,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:38,840 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:38,840 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:45:38,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:38,840 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_06ef1621-aaad-4411-a695-c9d939bcb931/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2023-11-19 02:45:39,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:39,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:39,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:39,266 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:39,267 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:39,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-19 02:45:42,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:42,898 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:42,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2023-11-19 02:45:42,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data/66128b121/fe6091eeaf5b45f3a0161b80eca92dbc/FLAG5fd5c8b02 [2023-11-19 02:45:42,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/data/66128b121/fe6091eeaf5b45f3a0161b80eca92dbc [2023-11-19 02:45:42,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:42,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:42,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:42,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:42,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:42,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:42,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719384a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:42, skipping insertion in model container [2023-11-19 02:45:42,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:42" (1/1) ... [2023-11-19 02:45:43,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:43,519 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:44,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:44,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:44,211 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:44,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:44,559 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:44,560 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:44,560 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:44,560 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:44,560 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:44,569 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:44,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44 WrapperNode [2023-11-19 02:45:44,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:44,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:44,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:44,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:44,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,665 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-19 02:45:44,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:44,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:44,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:44,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:44,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:44,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:44,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:44,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:44,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:44" (1/1) ... [2023-11-19 02:45:44,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:44,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:44,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:45:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:45:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:45:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:45:44,952 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:44,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:45,166 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:45,268 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:45,268 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:45:45,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:45 BoogieIcfgContainer [2023-11-19 02:45:45,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:45,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:45,274 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:45,284 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:45,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-19 02:45:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 02:45:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:45,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:45:45,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:45:45,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:45:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:45,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:45,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:45,829 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:45:45,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:45:45,841 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:45:45,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 02:45:45,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 02:45:45,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:45 ImpRootNode [2023-11-19 02:45:45,879 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:45,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:45,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:45,880 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:45,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:45" (3/4) ... [2023-11-19 02:45:45,882 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:45:45,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 02:45:45,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-19 02:45:45,938 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:45:45,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:45,939 INFO L158 Benchmark]: Toolchain (without parser) took 2986.33ms. Allocated memory is still 113.2MB. Free memory was 85.6MB in the beginning and 72.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-19 02:45:45,940 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:45,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1612.88ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 82.0MB in the end (delta: 3.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-19 02:45:45,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.56ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 78.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:45,941 INFO L158 Benchmark]: Boogie Preprocessor took 36.73ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 76.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:45,942 INFO L158 Benchmark]: RCFGBuilder took 569.55ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 57.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:45:45,942 INFO L158 Benchmark]: CodeCheck took 605.44ms. Allocated memory is still 113.2MB. Free memory was 57.3MB in the beginning and 74.6MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:45,943 INFO L158 Benchmark]: Witness Printer took 58.60ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:45,946 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: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) 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] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1612.88ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 82.0MB in the end (delta: 3.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.56ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 78.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.73ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 76.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.55ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 57.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 605.44ms. Allocated memory is still 113.2MB. Free memory was 57.3MB in the beginning and 74.6MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.60ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~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 02:45:45,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ef1621-aaad-4411-a695-c9d939bcb931/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)