./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:42:18,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:42:18,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:42:18,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:42:18,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:42:18,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:42:18,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:42:18,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:42:18,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:42:18,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:42:18,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:42:18,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:42:18,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:42:18,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:42:18,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:42:18,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:42:18,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:42:18,467 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:42:18,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:42:18,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:42:18,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:42:18,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:42:18,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:42:18,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:42:18,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:42:18,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:18,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:42:18,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:42:18,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:42:18,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:42:18,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:42:18,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:42:18,475 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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b [2023-11-19 02:42:18,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:42:18,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:42:18,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:42:18,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:42:18,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:42:18,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2023-11-19 02:42:21,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:42:22,383 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:42:22,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2023-11-19 02:42:22,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data/949e770ad/eb1b3c1a7bf1457b8f057f61a68284c6/FLAG0eb350b09 [2023-11-19 02:42:22,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data/949e770ad/eb1b3c1a7bf1457b8f057f61a68284c6 [2023-11-19 02:42:22,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:42:22,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:42:22,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:22,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:42:22,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:42:22,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:22" (1/1) ... [2023-11-19 02:42:22,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dcdb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:22, skipping insertion in model container [2023-11-19 02:42:22,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:22" (1/1) ... [2023-11-19 02:42:22,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:42:23,010 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:42:23,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:23,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:42:23,811 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:42:23,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:24,087 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:24,088 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:24,088 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:24,088 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:24,088 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:24,102 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:42:24,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24 WrapperNode [2023-11-19 02:42:24,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:24,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:24,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:42:24,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:42:24,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,194 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-19 02:42:24,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:24,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:42:24,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:42:24,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:42:24,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:42:24,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:42:24,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:42:24,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:42:24,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:24" (1/1) ... [2023-11-19 02:42:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:24,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:42:24,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:42:24,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:42:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:42:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:42:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:42:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:42:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:42:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:42:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:42:24,497 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:42:24,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:42:24,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:42:25,139 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:42:25,140 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:42:25,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:25 BoogieIcfgContainer [2023-11-19 02:42:25,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:42:25,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:42:25,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:42:25,161 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:42:25,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:25" (1/1) ... [2023-11-19 02:42:25,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:42:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:42:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:42:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:42:25,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:25,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:25,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:26,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:26,129 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:42:26,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:42:26 ImpRootNode [2023-11-19 02:42:26,167 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:42:26,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:42:26,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:42:26,172 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:42:26,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:25" (3/4) ... [2023-11-19 02:42:26,178 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:42:26,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:42:26,181 INFO L158 Benchmark]: Toolchain (without parser) took 3731.87ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 119.6MB in the beginning and 121.2MB in the end (delta: -1.6MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-19 02:42:26,182 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:26,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1653.87ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 110.7MB in the end (delta: 8.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 02:42:26,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.56ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 107.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:26,185 INFO L158 Benchmark]: Boogie Preprocessor took 50.34ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:26,185 INFO L158 Benchmark]: RCFGBuilder took 901.40ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 68.9MB in the end (delta: 37.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 02:42:26,187 INFO L158 Benchmark]: CodeCheck took 1018.12ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 121.2MB in the end (delta: -52.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:26,188 INFO L158 Benchmark]: Witness Printer took 8.75ms. Allocated memory is still 184.5MB. Free memory was 121.2MB in the beginning and 121.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:26,199 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1653.87ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 110.7MB in the end (delta: 8.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.56ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 107.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.34ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 901.40ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 68.9MB in the end (delta: 37.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1018.12ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 68.9MB in the beginning and 121.2MB in the end (delta: -52.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.75ms. Allocated memory is still 184.5MB. Free memory was 121.2MB in the beginning and 121.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:42:26,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:42:29,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:42:29,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:42:29,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:42:29,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:42:29,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:42:29,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:42:29,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:42:29,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:42:29,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:42:29,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:42:29,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:42:29,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:42:29,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:42:29,524 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:42:29,525 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:42:29,525 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:42:29,526 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:42:29,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:42:29,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:42:29,528 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:42:29,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:42:29,533 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:42:29,534 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:42:29,535 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:29,535 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:42:29,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:42:29,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:29,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:42:29,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:42:29,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:42:29,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:42:29,540 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:29,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:42:29,540 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:42:29,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:42:29,541 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_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b [2023-11-19 02:42:30,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:42:30,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:42:30,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:42:30,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:42:30,160 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:42:30,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2023-11-19 02:42:33,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:42:34,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:42:34,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2023-11-19 02:42:34,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data/e9b79821f/2db6f14191e743bfa9b281715f44297e/FLAG6bb545069 [2023-11-19 02:42:34,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/data/e9b79821f/2db6f14191e743bfa9b281715f44297e [2023-11-19 02:42:34,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:42:34,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:42:34,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:34,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:42:34,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:42:34,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:34" (1/1) ... [2023-11-19 02:42:34,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fc6883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:34, skipping insertion in model container [2023-11-19 02:42:34,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:34" (1/1) ... [2023-11-19 02:42:34,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:42:35,089 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:42:35,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:35,827 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:42:35,863 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:42:35,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:36,113 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:36,114 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:36,114 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:36,114 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:36,114 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:42:36,123 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:42:36,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36 WrapperNode [2023-11-19 02:42:36,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:36,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:36,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:42:36,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:42:36,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,257 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 60 [2023-11-19 02:42:36,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:36,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:42:36,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:42:36,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:42:36,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:42:36,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:42:36,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:42:36,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:42:36,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:36,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:42:36,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:42:36,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:42:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:42:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:42:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:42:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:42:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:42:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:42:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:42:36,597 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:42:36,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:42:36,819 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:42:36,958 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:42:36,958 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:42:36,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:36 BoogieIcfgContainer [2023-11-19 02:42:36,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:42:36,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:42:36,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:42:36,980 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:42:36,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:36" (1/1) ... [2023-11-19 02:42:36,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:42:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:42:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:42:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:42:37,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:37,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:37,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:42:37,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:42:37,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:42:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:37,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:37,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:37,441 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:42:37,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:42:37,449 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:42:37,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:42:37 ImpRootNode [2023-11-19 02:42:37,487 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:42:37,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:42:37,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:42:37,488 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:42:37,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:36" (3/4) ... [2023-11-19 02:42:37,490 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:42:37,558 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:42:37,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:42:37,560 INFO L158 Benchmark]: Toolchain (without parser) took 3185.88ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 76.0MB in the end (delta: 1.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-19 02:42:37,560 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:37,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1746.41ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 38.3MB in the end (delta: 38.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-19 02:42:37,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.99ms. Allocated memory is still 104.9MB. Free memory was 38.3MB in the beginning and 76.0MB in the end (delta: -37.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-19 02:42:37,562 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:37,563 INFO L158 Benchmark]: RCFGBuilder took 666.00ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 55.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:42:37,563 INFO L158 Benchmark]: CodeCheck took 519.09ms. Allocated memory is still 104.9MB. Free memory was 55.0MB in the beginning and 39.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:42:37,564 INFO L158 Benchmark]: Witness Printer took 71.09ms. Allocated memory is still 104.9MB. Free memory was 39.4MB in the beginning and 76.0MB in the end (delta: -36.6MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-19 02:42:37,567 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1577]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1746.41ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 38.3MB in the end (delta: 38.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.99ms. Allocated memory is still 104.9MB. Free memory was 38.3MB in the beginning and 76.0MB in the end (delta: -37.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 73.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.00ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 55.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 519.09ms. Allocated memory is still 104.9MB. Free memory was 55.0MB in the beginning and 39.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 71.09ms. Allocated memory is still 104.9MB. Free memory was 39.4MB in the beginning and 76.0MB in the end (delta: -36.6MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:42:37,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50f32dc-be8f-477e-a9a2-0c1b45ead57f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)