./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:09:23,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:09:23,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:09:23,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:09:23,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:09:23,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:09:23,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:09:23,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:09:23,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:09:23,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:09:23,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:09:23,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:09:23,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:09:23,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:09:23,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:09:23,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:09:23,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:09:23,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:09:23,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:09:23,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:09:23,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:09:23,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:09:23,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:09:23,174 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:09:23,174 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:09:23,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:09:23,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:23,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:09:23,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:09:23,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:09:23,178 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:09:23,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:09:23,180 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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2024-11-08 23:09:23,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:09:23,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:09:23,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:09:23,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:09:23,526 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:09:23,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i Unable to find full path for "g++" [2024-11-08 23:09:25,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:09:26,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:09:26,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2024-11-08 23:09:26,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data/68cbf88aa/bd6efe5aa4b9463396d26f9995ea52b9/FLAG237b40d0d [2024-11-08 23:09:26,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data/68cbf88aa/bd6efe5aa4b9463396d26f9995ea52b9 [2024-11-08 23:09:26,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:09:26,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:09:26,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:26,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:09:26,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:09:26,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:26" (1/1) ... [2024-11-08 23:09:26,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10546e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:26, skipping insertion in model container [2024-11-08 23:09:26,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:26" (1/1) ... [2024-11-08 23:09:26,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:09:27,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:27,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:09:27,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:27,675 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:09:27,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27 WrapperNode [2024-11-08 23:09:27,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:27,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:27,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:09:27,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:09:27,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,745 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-08 23:09:27,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:27,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:09:27,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:09:27,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:09:27,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:09:27,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:09:27,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:09:27,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:09:27,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:27" (1/1) ... [2024-11-08 23:09:27,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:27,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:09:27,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:09:27,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:09:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:09:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:09:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:09:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:09:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:09:28,063 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:09:28,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:09:28,310 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 23:09:28,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:09:28,620 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:09:28,620 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:09:28,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:28 BoogieIcfgContainer [2024-11-08 23:09:28,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:09:28,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:09:28,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:09:28,634 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:09:28,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:28" (1/1) ... [2024-11-08 23:09:28,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:09:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:09:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:09:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:09:28,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:28,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:29,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:09:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:29,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:09:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:29,330 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:09:29,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:09:29 ImpRootNode [2024-11-08 23:09:29,359 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:09:29,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:09:29,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:09:29,361 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:09:29,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:28" (3/4) ... [2024-11-08 23:09:29,364 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:09:29,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:09:29,366 INFO L158 Benchmark]: Toolchain (without parser) took 3226.66ms. Allocated memory was 136.3MB in the beginning and 209.7MB in the end (delta: 73.4MB). Free memory was 95.9MB in the beginning and 137.2MB in the end (delta: -41.3MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-08 23:09:29,366 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:29,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1535.13ms. Allocated memory was 136.3MB in the beginning and 209.7MB in the end (delta: 73.4MB). Free memory was 95.5MB in the beginning and 153.7MB in the end (delta: -58.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:29,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.70ms. Allocated memory is still 209.7MB. Free memory was 153.7MB in the beginning and 150.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:29,369 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 209.7MB. Free memory was 150.7MB in the beginning and 148.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:29,369 INFO L158 Benchmark]: RCFGBuilder took 834.17ms. Allocated memory is still 209.7MB. Free memory was 148.6MB in the beginning and 105.6MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 23:09:29,370 INFO L158 Benchmark]: CodeCheck took 737.55ms. Allocated memory is still 209.7MB. Free memory was 105.6MB in the beginning and 138.2MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:29,370 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 209.7MB. Free memory was 138.2MB in the beginning and 137.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:29,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1559]: 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 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.26ms. Allocated memory is still 136.3MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1535.13ms. Allocated memory was 136.3MB in the beginning and 209.7MB in the end (delta: 73.4MB). Free memory was 95.5MB in the beginning and 153.7MB in the end (delta: -58.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.70ms. Allocated memory is still 209.7MB. Free memory was 153.7MB in the beginning and 150.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 209.7MB. Free memory was 150.7MB in the beginning and 148.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 834.17ms. Allocated memory is still 209.7MB. Free memory was 148.6MB in the beginning and 105.6MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 737.55ms. Allocated memory is still 209.7MB. Free memory was 105.6MB in the beginning and 138.2MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 209.7MB. Free memory was 138.2MB in the beginning and 137.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:09:29,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:09:31,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:09:31,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:09:31,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:09:31,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:09:31,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:09:31,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:09:31,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:09:31,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:09:31,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:09:31,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:09:31,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:09:31,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:09:31,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:09:31,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:09:31,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:09:31,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:09:31,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:09:31,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:09:31,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:09:31,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:09:31,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:09:31,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:09:31,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:09:31,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:09:31,932 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:31,933 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:09:31,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:09:31,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:31,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:09:31,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:09:31,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:09:31,935 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:09:31,936 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:31,936 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:09:31,936 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_304ef4c6-4645-4888-9c3e-f9d3f1c42813/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99447df758016b1226a8e61ffa6372b526d7654f10ba3fef78e591eb88093ceb [2024-11-08 23:09:32,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:09:32,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:09:32,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:09:32,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:09:32,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:09:32,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i Unable to find full path for "g++" [2024-11-08 23:09:34,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:09:34,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:09:34,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_bad.i [2024-11-08 23:09:35,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data/1f6e10b16/10c3301c42e545748dd7cfdeac192a0a/FLAG53369a9ce [2024-11-08 23:09:35,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/data/1f6e10b16/10c3301c42e545748dd7cfdeac192a0a [2024-11-08 23:09:35,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:09:35,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:09:35,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:35,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:09:35,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:09:35,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:35" (1/1) ... [2024-11-08 23:09:35,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e71507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:35, skipping insertion in model container [2024-11-08 23:09:35,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:35" (1/1) ... [2024-11-08 23:09:35,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:09:36,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:36,156 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:09:36,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:36,430 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:09:36,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36 WrapperNode [2024-11-08 23:09:36,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:36,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:36,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:09:36,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:09:36,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,487 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-08 23:09:36,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:36,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:09:36,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:09:36,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:09:36,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:09:36,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:09:36,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:09:36,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:09:36,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:36" (1/1) ... [2024-11-08 23:09:36,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:36,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:09:36,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:09:36,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:09:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:09:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:09:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:09:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:09:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:09:36,776 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:09:36,777 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:09:36,928 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 23:09:36,928 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:09:37,036 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:09:37,036 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:09:37,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:37 BoogieIcfgContainer [2024-11-08 23:09:37,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:09:37,040 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:09:37,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:09:37,051 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:09:37,052 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:37" (1/1) ... [2024-11-08 23:09:37,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:09:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:09:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:09:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:09:37,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:37,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:37,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:37,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:37,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:09:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:37,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:09:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:37,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:09:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:37,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:09:37,668 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:09:37,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:09:37 ImpRootNode [2024-11-08 23:09:37,699 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:09:37,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:09:37,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:09:37,700 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:09:37,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:37" (3/4) ... [2024-11-08 23:09:37,704 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:09:37,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:09:37,706 INFO L158 Benchmark]: Toolchain (without parser) took 2658.42ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 55.3MB in the beginning and 63.5MB in the end (delta: -8.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-08 23:09:37,707 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:37,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.66ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 40.3MB in the end (delta: 14.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-08 23:09:37,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.69ms. Allocated memory is still 79.7MB. Free memory was 40.3MB in the beginning and 37.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:37,710 INFO L158 Benchmark]: Boogie Preprocessor took 30.55ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:37,712 INFO L158 Benchmark]: RCFGBuilder took 519.85ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 35.1MB in the beginning and 56.4MB in the end (delta: -21.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-08 23:09:37,713 INFO L158 Benchmark]: CodeCheck took 658.84ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 64.3MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:37,714 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 63.5MB in the end (delta: 815.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:37,720 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: 1559]: 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 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.48ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.66ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 40.3MB in the end (delta: 14.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.69ms. Allocated memory is still 79.7MB. Free memory was 40.3MB in the beginning and 37.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.55ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.85ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 35.1MB in the beginning and 56.4MB in the end (delta: -21.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * CodeCheck took 658.84ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 64.3MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 63.5MB in the end (delta: 815.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:09:37,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_304ef4c6-4645-4888-9c3e-f9d3f1c42813/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample