./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_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_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/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_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/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_1cc4f044-7e60-4060-9489-e8ecd8326695/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:55,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:55,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:44:55,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:55,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:55,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:55,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:55,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:55,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:55,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:55,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:55,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:55,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:55,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:55,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:55,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:55,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:55,235 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:44:55,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:44:55,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:55,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:55,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:55,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:55,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:55,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:55,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:55,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:55,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:55,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:55,241 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:55,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:55,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:55,243 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_1cc4f044-7e60-4060-9489-e8ecd8326695/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2023-11-19 02:44:55,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:55,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:55,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:55,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:55,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:55,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2023-11-19 02:44:58,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:59,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:59,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2023-11-19 02:44:59,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data/35d739333/19f6270381f84f3f8167bb66e5980c0b/FLAG605b80639 [2023-11-19 02:44:59,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data/35d739333/19f6270381f84f3f8167bb66e5980c0b [2023-11-19 02:44:59,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:59,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:59,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:59,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:59,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:59,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:59" (1/1) ... [2023-11-19 02:44:59,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285a55c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:59, skipping insertion in model container [2023-11-19 02:44:59,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:59" (1/1) ... [2023-11-19 02:44:59,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:59,619 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:00,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:00,124 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:00,146 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:00,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:00,427 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:00,428 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:00,428 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:00,428 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:00,429 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:00,437 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:00,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00 WrapperNode [2023-11-19 02:45:00,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:00,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:00,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:00,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:00,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,514 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-19 02:45:00,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:00,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:00,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:00,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:00,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:00,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:00,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:00,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:00,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:00" (1/1) ... [2023-11-19 02:45:00,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:00,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:00,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:45:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:45:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:45:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:45:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:00,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:45:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:45:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:45:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:00,923 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:00,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:01,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:01,545 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:01,545 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:45:01,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:01 BoogieIcfgContainer [2023-11-19 02:45:01,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:01,552 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:01,552 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:01,563 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:01,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:45:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:45:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:45:01,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:01,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:02,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:02,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:02,468 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:45:02,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post112 could not be translated [2023-11-19 02:45:02,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:02 ImpRootNode [2023-11-19 02:45:02,512 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:02,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:02,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:02,515 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:02,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:01" (3/4) ... [2023-11-19 02:45:02,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:45:02,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:02,522 INFO L158 Benchmark]: Toolchain (without parser) took 3340.39ms. Allocated memory is still 203.4MB. Free memory was 172.7MB in the beginning and 89.9MB in the end (delta: 82.9MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,523 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:02,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.69ms. Allocated memory is still 203.4MB. Free memory was 172.7MB in the beginning and 108.8MB in the end (delta: 63.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.58ms. Allocated memory is still 203.4MB. Free memory was 108.8MB in the beginning and 105.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,526 INFO L158 Benchmark]: Boogie Preprocessor took 47.83ms. Allocated memory is still 203.4MB. Free memory was 105.8MB in the beginning and 104.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,526 INFO L158 Benchmark]: RCFGBuilder took 984.49ms. Allocated memory is still 203.4MB. Free memory was 104.6MB in the beginning and 132.9MB in the end (delta: -28.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,528 INFO L158 Benchmark]: CodeCheck took 960.26ms. Allocated memory is still 203.4MB. Free memory was 132.9MB in the beginning and 89.9MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,528 INFO L158 Benchmark]: Witness Printer took 7.18ms. Allocated memory is still 203.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:02,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=29, argc=29, argv={13:30}, argv={13:30}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={16020:0}, dataVoidPtr={16020:0}, dataVoidPtr={16020:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.69ms. Allocated memory is still 203.4MB. Free memory was 172.7MB in the beginning and 108.8MB in the end (delta: 63.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.58ms. Allocated memory is still 203.4MB. Free memory was 108.8MB in the beginning and 105.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.83ms. Allocated memory is still 203.4MB. Free memory was 105.8MB in the beginning and 104.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 984.49ms. Allocated memory is still 203.4MB. Free memory was 104.6MB in the beginning and 132.9MB in the end (delta: -28.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 960.26ms. Allocated memory is still 203.4MB. Free memory was 132.9MB in the beginning and 89.9MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 7.18ms. Allocated memory is still 203.4MB. Free memory is still 89.9MB. 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~post112 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:45:02,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/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_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/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_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/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_1cc4f044-7e60-4060-9489-e8ecd8326695/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:05,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:05,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:45:05,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:05,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:05,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:05,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:05,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:05,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:05,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:05,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:05,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:05,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:05,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:05,548 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:45:05,549 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:45:05,549 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:45:05,549 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:45:05,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:05,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:05,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:05,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:05,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:05,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:05,553 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:05,553 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:05,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:05,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:05,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:05,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:05,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:05,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:45:05,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:05,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:05,558 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:45:05,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:05,559 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_1cc4f044-7e60-4060-9489-e8ecd8326695/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2023-11-19 02:45:06,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:06,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:06,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:06,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:06,046 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:06,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2023-11-19 02:45:09,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:09,612 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:09,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2023-11-19 02:45:09,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data/61def79ec/06519059cf5a483da50299e1fd8b954f/FLAG74d3bcd9d [2023-11-19 02:45:09,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/data/61def79ec/06519059cf5a483da50299e1fd8b954f [2023-11-19 02:45:09,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:09,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:09,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:09,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:09,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:09,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:09" (1/1) ... [2023-11-19 02:45:09,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cbf050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:09, skipping insertion in model container [2023-11-19 02:45:09,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:09" (1/1) ... [2023-11-19 02:45:09,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:10,137 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:10,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:10,738 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:45:10,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:10,776 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:10,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:10,836 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:10,855 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:10,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:11,134 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:11,134 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:11,135 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:11,135 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:11,135 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:11,144 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:11,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11 WrapperNode [2023-11-19 02:45:11,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:11,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:11,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:11,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:11,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,314 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-19 02:45:11,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:11,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:11,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:11,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:11,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:11,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:11,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:11,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:11,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:11" (1/1) ... [2023-11-19 02:45:11,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:11,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:11,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:11,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:45:11,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:45:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:45:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:45:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:45:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:45:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:45:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:45:11,697 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:11,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:11,952 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:12,047 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:12,047 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:45:12,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:12 BoogieIcfgContainer [2023-11-19 02:45:12,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:12,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:12,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:12,066 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:12,066 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:12" (1/1) ... [2023-11-19 02:45:12,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:12,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:45:12,147 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:45:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:45:12,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:12,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:12,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:45:12,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:45:12,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:45:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:12,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:12,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:45:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:45:13,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:45:13,137 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:45:13,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-19 02:45:13,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:13 ImpRootNode [2023-11-19 02:45:13,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:13,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:13,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:13,185 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:13,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:12" (3/4) ... [2023-11-19 02:45:13,186 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:45:13,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-19 02:45:13,270 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:45:13,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:13,272 INFO L158 Benchmark]: Toolchain (without parser) took 3611.58ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 35.8MB in the beginning and 45.2MB in the end (delta: -9.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:45:13,273 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:13,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1484.53ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 35.4MB in the beginning and 58.3MB in the end (delta: -22.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-19 02:45:13,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.53ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:13,275 INFO L158 Benchmark]: Boogie Preprocessor took 79.62ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 53.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:13,275 INFO L158 Benchmark]: RCFGBuilder took 655.61ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.8MB in the beginning and 73.2MB in the end (delta: -20.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-19 02:45:13,276 INFO L158 Benchmark]: CodeCheck took 1128.99ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 47.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:13,276 INFO L158 Benchmark]: Witness Printer took 86.66ms. Allocated memory is still 109.1MB. Free memory was 47.4MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:13,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1569]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={-9223372036854775808:0}, dataVoidPtr={-9223372036854775808:0}, dataVoidPtr={-9223372036854775808:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1484.53ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 35.4MB in the beginning and 58.3MB in the end (delta: -22.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.53ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.62ms. Allocated memory is still 90.2MB. Free memory was 55.3MB in the beginning and 53.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.61ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.8MB in the beginning and 73.2MB in the end (delta: -20.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * CodeCheck took 1128.99ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 47.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 86.66ms. Allocated memory is still 109.1MB. Free memory was 47.4MB in the beginning and 45.2MB 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~post106 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:45:13,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc4f044-7e60-4060-9489-e8ecd8326695/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)