./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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 eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:27,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:28,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:05:28,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:28,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:28,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:28,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:28,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:28,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:28,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:28,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:28,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:28,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:28,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:28,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:28,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:28,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:28,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:28,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:28,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:28,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:28,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:28,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:28,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:28,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:28,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:28,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:28,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:28,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:28,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:28,068 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:28,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:28,069 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_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 [2024-11-08 22:05:28,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:28,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:28,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:28,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:28,513 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:28,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i Unable to find full path for "g++" [2024-11-08 22:05:30,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:31,094 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:31,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2024-11-08 22:05:31,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data/6c16a93ca/f5f4620760104c358c09aa16305c0d39/FLAG9a2715066 [2024-11-08 22:05:31,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data/6c16a93ca/f5f4620760104c358c09aa16305c0d39 [2024-11-08 22:05:31,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:31,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:31,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:31,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:31,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:31,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:31" (1/1) ... [2024-11-08 22:05:31,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b159b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:31, skipping insertion in model container [2024-11-08 22:05:31,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:31" (1/1) ... [2024-11-08 22:05:31,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:32,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:32,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:32,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:32,664 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:32,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32 WrapperNode [2024-11-08 22:05:32,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:32,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:32,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:32,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:32,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,759 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-08 22:05:32,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:32,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:32,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:32,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:32,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:32,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:32,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:32,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:32,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:32,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:32,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:32,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:33,058 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:33,060 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:33,304 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:33,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:33,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:33,600 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:33,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:33 BoogieIcfgContainer [2024-11-08 22:05:33,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:33,602 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:33,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:33,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:33,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:05:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:05:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:05:33,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:33,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:33,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:34,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:34,292 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:34,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:34 ImpRootNode [2024-11-08 22:05:34,324 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:34,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:34,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:34,327 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:34,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:33" (3/4) ... [2024-11-08 22:05:34,332 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:34,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:34,334 INFO L158 Benchmark]: Toolchain (without parser) took 3182.56ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 125.7MB in the beginning and 162.8MB in the end (delta: -37.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,335 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 104.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:34,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1512.99ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 125.2MB in the beginning and 168.6MB in the end (delta: -43.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.49ms. Allocated memory is still 207.6MB. Free memory was 168.6MB in the beginning and 165.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,339 INFO L158 Benchmark]: Boogie Preprocessor took 41.68ms. Allocated memory is still 207.6MB. Free memory was 165.5MB in the beginning and 164.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,340 INFO L158 Benchmark]: RCFGBuilder took 793.28ms. Allocated memory is still 207.6MB. Free memory was 163.4MB in the beginning and 124.6MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:34,341 INFO L158 Benchmark]: CodeCheck took 723.00ms. Allocated memory is still 207.6MB. Free memory was 124.6MB in the beginning and 162.8MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:34,341 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 207.6MB. Free memory is still 162.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:34,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: 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 1556. 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_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_predec_68_badData; VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, 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 0.36ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 104.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1512.99ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 125.2MB in the beginning and 168.6MB in the end (delta: -43.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.49ms. Allocated memory is still 207.6MB. Free memory was 168.6MB in the beginning and 165.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.68ms. Allocated memory is still 207.6MB. Free memory was 165.5MB in the beginning and 164.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 793.28ms. Allocated memory is still 207.6MB. Free memory was 163.4MB in the beginning and 124.6MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 723.00ms. Allocated memory is still 207.6MB. Free memory was 124.6MB in the beginning and 162.8MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 207.6MB. Free memory is still 162.8MB. 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 22:05:34,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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 eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:36,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:37,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:05:37,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:37,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:37,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:37,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:37,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:37,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:37,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:37,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:37,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:37,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:37,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:37,106 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:37,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:37,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:37,108 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:37,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:37,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:37,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:37,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:37,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:37,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:37,114 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:37,114 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:37,114 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:37,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:37,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:37,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:37,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:37,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:37,120 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:37,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:37,121 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:37,121 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_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5f999f77ab51b49a4c5e9942d8bebe32c00f89ee135bf35b2b5c1f5425bfe9 [2024-11-08 22:05:37,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:37,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:37,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:37,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:37,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:37,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i Unable to find full path for "g++" [2024-11-08 22:05:39,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:40,177 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:40,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_68_bad.i [2024-11-08 22:05:40,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data/836af6f6e/b40fe0547c3f4f0585fd5c91a20843bd/FLAGb4d744ea6 [2024-11-08 22:05:40,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/data/836af6f6e/b40fe0547c3f4f0585fd5c91a20843bd [2024-11-08 22:05:40,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:40,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:40,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:40,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:40,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:40,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:40" (1/1) ... [2024-11-08 22:05:40,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3064f7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:40, skipping insertion in model container [2024-11-08 22:05:40,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:40" (1/1) ... [2024-11-08 22:05:40,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:41,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:41,552 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:41,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:41,815 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:41,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41 WrapperNode [2024-11-08 22:05:41,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:41,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:41,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:41,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:41,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,899 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-08 22:05:41,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:41,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:41,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:41,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:41,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:41,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:41,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:41,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:41,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:41" (1/1) ... [2024-11-08 22:05:41,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:42,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:42,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:42,260 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:42,263 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:42,468 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:42,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:42,566 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:42,568 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:42,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:42 BoogieIcfgContainer [2024-11-08 22:05:42,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:42,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:42,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:42,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:42,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:42,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:05:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:05:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:05:42,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:42,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:42,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:42,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:42,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:05:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:42,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:43,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:43,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:05:43,141 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:43,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:43 ImpRootNode [2024-11-08 22:05:43,177 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:43,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:43,181 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:43,181 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:43,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:42" (3/4) ... [2024-11-08 22:05:43,185 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:43,186 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:43,187 INFO L158 Benchmark]: Toolchain (without parser) took 2948.08ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 58.3MB in the beginning and 71.0MB in the end (delta: -12.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,188 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:43,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1575.05ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 38.2MB in the end (delta: 19.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.26ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 34.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,190 INFO L158 Benchmark]: Boogie Preprocessor took 51.44ms. Allocated memory is still 86.0MB. Free memory was 34.8MB in the beginning and 32.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,191 INFO L158 Benchmark]: RCFGBuilder took 616.39ms. Allocated memory is still 86.0MB. Free memory was 32.7MB in the beginning and 40.5MB in the end (delta: -7.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:43,192 INFO L158 Benchmark]: CodeCheck took 607.56ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 40.0MB in the beginning and 71.0MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:43,193 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 107.0MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:43,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1575]: 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); [L1548] int CWE191_Integer_Underflow__int_rand_predec_68_badData; [L1549] int CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, 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 [CWE191_Integer_Underflow__int_rand_predec_68_badData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, 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_predec_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_predec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_predec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_predec_68_badData; VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, 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] [L1575] --data VAL [CWE191_Integer_Underflow__int_rand_predec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_68_goodG2BData=0, 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 60.8MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1575.05ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 38.2MB in the end (delta: 19.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.26ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 34.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.44ms. Allocated memory is still 86.0MB. Free memory was 34.8MB in the beginning and 32.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.39ms. Allocated memory is still 86.0MB. Free memory was 32.7MB in the beginning and 40.5MB in the end (delta: -7.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 607.56ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 40.0MB in the beginning and 71.0MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 107.0MB. Free memory is still 71.0MB. 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 22:05:43,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743b20f6-e77f-4bd6-a3d4-cbeaa80a185b/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