./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk --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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:15,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:16,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:08:16,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:08:16,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:08:16,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:16,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:16,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:16,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:16,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:16,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:16,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:16,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:08:16,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:16,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:16,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:16,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:16,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:16,095 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:08:16,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:08:16,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:16,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:16,096 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:16,097 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:16,097 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:16,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:16,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:16,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:16,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:16,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:16,099 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:08:16,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:08:16,099 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_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-11-08 22:08:16,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:16,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:16,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:16,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:16,429 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:16,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i Unable to find full path for "g++" [2024-11-08 22:08:18,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:18,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:18,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-08 22:08:18,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data/c9667d710/f483d343614e459cbd17c80ac99bf4c4/FLAGcfe684b64 [2024-11-08 22:08:19,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data/c9667d710/f483d343614e459cbd17c80ac99bf4c4 [2024-11-08 22:08:19,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:19,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:19,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:19,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:19,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:19,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751eb6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19, skipping insertion in model container [2024-11-08 22:08:19,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:20,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:20,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:20,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:20,474 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:20,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20 WrapperNode [2024-11-08 22:08:20,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:20,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:20,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:20,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:20,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,559 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-11-08 22:08:20,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:20,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:20,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:20,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:20,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:20,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:20,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:20,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:20,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:20" (1/1) ... [2024-11-08 22:08:20,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:20,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:20,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:20,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:08:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:08:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:08:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:20,867 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:20,869 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:21,110 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:21,110 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:21,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:21,458 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:21,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:21 BoogieIcfgContainer [2024-11-08 22:08:21,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:21,460 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:21,460 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:21,471 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:21,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:08:21,549 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:08:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:08:21,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:21,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:22,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:22,144 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:08:22,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:08:22 ImpRootNode [2024-11-08 22:08:22,170 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:08:22,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:08:22,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:08:22,172 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:08:22,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:21" (3/4) ... [2024-11-08 22:08:22,175 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:08:22,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:08:22,177 INFO L158 Benchmark]: Toolchain (without parser) took 3151.21ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 112.2MB in the beginning and 173.3MB in the end (delta: -61.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,178 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 153.1MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:22,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1448.02ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 112.2MB in the beginning and 175.9MB in the end (delta: -63.7MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.10ms. Allocated memory is still 220.2MB. Free memory was 174.8MB in the beginning and 171.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,180 INFO L158 Benchmark]: Boogie Preprocessor took 51.15ms. Allocated memory is still 220.2MB. Free memory was 171.7MB in the beginning and 170.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:22,180 INFO L158 Benchmark]: RCFGBuilder took 846.29ms. Allocated memory is still 220.2MB. Free memory was 170.6MB in the beginning and 130.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,181 INFO L158 Benchmark]: CodeCheck took 710.83ms. Allocated memory is still 220.2MB. Free memory was 129.7MB in the beginning and 173.3MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:22,181 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 220.2MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:22,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563, overapproximation of bitwiseOr at line 1570. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 153.1MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1448.02ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 112.2MB in the beginning and 175.9MB in the end (delta: -63.7MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.10ms. Allocated memory is still 220.2MB. Free memory was 174.8MB in the beginning and 171.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.15ms. Allocated memory is still 220.2MB. Free memory was 171.7MB in the beginning and 170.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 846.29ms. Allocated memory is still 220.2MB. Free memory was 170.6MB in the beginning and 130.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 710.83ms. Allocated memory is still 220.2MB. Free memory was 129.7MB in the beginning and 173.3MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 220.2MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:08:22,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/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 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_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk --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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:24,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:24,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:08:24,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:24,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:24,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:24,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:24,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:24,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:24,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:24,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:24,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:24,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:24,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:24,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:08:24,822 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:08:24,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:24,823 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:08:24,823 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:08:24,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:08:24,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:24,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:24,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:24,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:24,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:24,826 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:24,826 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:08:24,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:24,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:24,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:24,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:24,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:24,829 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:08:24,829 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:24,829 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:08:24,830 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_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-11-08 22:08:25,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:25,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:25,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:25,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:25,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:25,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i Unable to find full path for "g++" [2024-11-08 22:08:27,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:27,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:27,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-11-08 22:08:27,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data/d6b5e29c4/00767449eef640ccae056d28747e5977/FLAGd0ea80e2e [2024-11-08 22:08:27,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/data/d6b5e29c4/00767449eef640ccae056d28747e5977 [2024-11-08 22:08:27,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:27,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:27,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:27,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:27,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:27,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:27" (1/1) ... [2024-11-08 22:08:27,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468d05c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:27, skipping insertion in model container [2024-11-08 22:08:27,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:27" (1/1) ... [2024-11-08 22:08:27,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:29,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:29,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:29,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:29,549 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:29,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29 WrapperNode [2024-11-08 22:08:29,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:29,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:29,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:29,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:29,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,626 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-08 22:08:29,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:29,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:29,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:29,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:29,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:29,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:29,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:29,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:29,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:29" (1/1) ... [2024-11-08 22:08:29,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:29,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:29,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:08:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:08:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:08:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:29,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:29,940 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:30,110 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:30,110 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:30,243 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:30,243 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:30,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:30 BoogieIcfgContainer [2024-11-08 22:08:30,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:30,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:30,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:30,259 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:30,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:30" (1/1) ... [2024-11-08 22:08:30,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:08:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:08:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:08:30,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:30,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:30,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:30,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:30,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:08:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:30,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:08:30,827 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:08:30,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:08:30 ImpRootNode [2024-11-08 22:08:30,862 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:08:30,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:08:30,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:08:30,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:08:30,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:30" (3/4) ... [2024-11-08 22:08:30,868 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:08:30,870 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:08:30,871 INFO L158 Benchmark]: Toolchain (without parser) took 2967.48ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 77.0MB in the end (delta: 21.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,871 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:30,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1646.02ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 64.6MB in the end (delta: 33.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.09ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,873 INFO L158 Benchmark]: Boogie Preprocessor took 53.66ms. Allocated memory is still 125.8MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,874 INFO L158 Benchmark]: RCFGBuilder took 561.79ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 92.6MB in the end (delta: -33.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,875 INFO L158 Benchmark]: CodeCheck took 617.74ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 77.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:08:30,876 INFO L158 Benchmark]: Witness Printer took 7.38ms. Allocated memory is still 125.8MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:30,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1563. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 70.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1646.02ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 64.6MB in the end (delta: 33.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.09ms. Allocated memory is still 125.8MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.66ms. Allocated memory is still 125.8MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.79ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 92.6MB in the end (delta: -33.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * CodeCheck took 617.74ms. Allocated memory is still 125.8MB. Free memory was 92.6MB in the beginning and 77.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.38ms. Allocated memory is still 125.8MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:08:30,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae09f00-dc6e-45e3-bce3-3a6beaf3de07/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample