./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:30,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:30,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:23:30,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:23:30,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:23:30,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:30,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:30,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:30,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:30,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:30,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:30,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:30,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:23:30,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:30,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:30,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:30,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:30,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:30,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:23:30,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:23:30,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:30,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:30,344 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:30,345 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:30,345 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:30,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:30,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:30,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:30,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:30,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:30,347 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:23:30,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:23:30,347 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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 [2024-11-08 22:23:30,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:30,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:30,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:30,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:30,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:30,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i Unable to find full path for "g++" [2024-11-08 22:23:32,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:33,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:33,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-11-08 22:23:33,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data/ede67a6f7/670b4fbcc81d49d2865d68f832cdd046/FLAG79f5be10e [2024-11-08 22:23:33,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data/ede67a6f7/670b4fbcc81d49d2865d68f832cdd046 [2024-11-08 22:23:33,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:33,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:33,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:33,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:33,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:33,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:33" (1/1) ... [2024-11-08 22:23:33,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcb17c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:33, skipping insertion in model container [2024-11-08 22:23:33,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:33" (1/1) ... [2024-11-08 22:23:33,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:34,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:34,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:34,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:34,918 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:34,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34 WrapperNode [2024-11-08 22:23:34,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:34,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:34,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:34,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:34,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:34,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,003 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2024-11-08 22:23:35,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:35,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:35,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:35,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:35,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:35,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:35,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:35,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:35,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:34" (1/1) ... [2024-11-08 22:23:35,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:35,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:35,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:35,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:23:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:35,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:35,319 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:35,321 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:35,616 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:35,617 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:35,845 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:35,846 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:23:35,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:35 BoogieIcfgContainer [2024-11-08 22:23:35,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:35,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:35,847 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:35,858 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:35,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:35" (1/1) ... [2024-11-08 22:23:35,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:23:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:23:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:23:35,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:35,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:36,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:36,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:36,461 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:23:36,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:23:36 ImpRootNode [2024-11-08 22:23:36,496 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:23:36,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:23:36,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:23:36,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:23:36,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:35" (3/4) ... [2024-11-08 22:23:36,503 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:23:36,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:23:36,508 INFO L158 Benchmark]: Toolchain (without parser) took 3219.11ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 93.5MB in the beginning and 76.5MB in the end (delta: 17.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-08 22:23:36,509 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:36,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1628.19ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 93.5MB in the beginning and 100.6MB in the end (delta: -7.1MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-08 22:23:36,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.70ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 98.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:36,512 INFO L158 Benchmark]: Boogie Preprocessor took 32.12ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 96.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:36,513 INFO L158 Benchmark]: RCFGBuilder took 808.25ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 112.2MB in the end (delta: -15.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:36,513 INFO L158 Benchmark]: CodeCheck took 649.34ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 77.6MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 22:23:36,514 INFO L158 Benchmark]: Witness Printer took 9.53ms. Allocated memory is still 167.8MB. Free memory was 77.6MB in the beginning and 76.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:36,520 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, 0.0s 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, 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1549] int CWE191_Integer_Underflow__int_rand_postdec_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=0, CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_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_postdec_68_badData=0, CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_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_postdec_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_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_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 0.39ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1628.19ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 93.5MB in the beginning and 100.6MB in the end (delta: -7.1MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.70ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 98.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.12ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 96.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 808.25ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 112.2MB in the end (delta: -15.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 649.34ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 77.6MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 9.53ms. Allocated memory is still 167.8MB. Free memory was 77.6MB in the beginning and 76.5MB 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 22:23:36,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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 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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:39,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:39,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:23:39,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:39,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:39,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:39,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:39,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:39,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:39,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:39,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:39,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:39,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:39,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:39,253 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:23:39,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:23:39,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:39,254 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:23:39,254 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:23:39,257 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:23:39,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:39,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:39,258 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:39,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:39,259 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:39,259 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:39,259 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:23:39,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:39,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:39,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:39,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:39,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:39,261 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:23:39,262 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:39,262 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:23:39,262 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_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 524f2dd63cc2cba7ce512e81fc38250751de3c2a69368c5bf4b68f0e7e1e8338 [2024-11-08 22:23:39,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:39,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:39,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:39,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:39,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:39,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i Unable to find full path for "g++" [2024-11-08 22:23:41,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:42,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:42,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_68_bad.i [2024-11-08 22:23:42,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data/1171cc9f7/9076c24f258f4aaf945924bb03b36d41/FLAG9bd753c91 [2024-11-08 22:23:42,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/data/1171cc9f7/9076c24f258f4aaf945924bb03b36d41 [2024-11-08 22:23:42,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:42,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:42,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:42,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:42,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:42,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:42" (1/1) ... [2024-11-08 22:23:42,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127d2054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:42, skipping insertion in model container [2024-11-08 22:23:42,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:42" (1/1) ... [2024-11-08 22:23:42,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:43,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:43,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:43,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:44,140 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:44,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44 WrapperNode [2024-11-08 22:23:44,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:44,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:44,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:44,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:44,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,202 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-08 22:23:44,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:44,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:44,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:44,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:44,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:44,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:44,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:44,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:44,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:44,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:44,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:44,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:23:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:23:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:44,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:44,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:44,640 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:44,640 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:44,720 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:44,720 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:23:44,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:44 BoogieIcfgContainer [2024-11-08 22:23:44,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:44,722 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:44,722 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:44,732 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:44,732 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:44" (1/1) ... [2024-11-08 22:23:44,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:23:44,805 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:23:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:23:44,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:44,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:44,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:44,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:44,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:23:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:45,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:45,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:23:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:23:45,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:23:45,272 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:23:45,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:23:45 ImpRootNode [2024-11-08 22:23:45,315 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:23:45,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:23:45,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:23:45,318 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:23:45,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:44" (3/4) ... [2024-11-08 22:23:45,322 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:23:45,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:23:45,324 INFO L158 Benchmark]: Toolchain (without parser) took 2911.50ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 37.3MB in the beginning and 35.6MB in the end (delta: 1.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-08 22:23:45,325 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:45,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1727.20ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 37.1MB in the beginning and 49.2MB in the end (delta: -12.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 22:23:45,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 46.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:45,328 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 86.0MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:23:45,329 INFO L158 Benchmark]: RCFGBuilder took 469.51ms. Allocated memory is still 86.0MB. Free memory was 44.0MB in the beginning and 50.9MB in the end (delta: -6.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:23:45,330 INFO L158 Benchmark]: CodeCheck took 593.68ms. Allocated memory is still 86.0MB. Free memory was 50.9MB in the beginning and 35.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:23:45,331 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 86.0MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:23:45,337 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); [L1549] int CWE191_Integer_Underflow__int_rand_postdec_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_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_postdec_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_postdec_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_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_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 0.30ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1727.20ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 37.1MB in the beginning and 49.2MB in the end (delta: -12.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 46.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 86.0MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.51ms. Allocated memory is still 86.0MB. Free memory was 44.0MB in the beginning and 50.9MB in the end (delta: -6.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 593.68ms. Allocated memory is still 86.0MB. Free memory was 50.9MB in the beginning and 35.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 86.0MB. Free memory is still 35.6MB. 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 22:23:45,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ac13e6-52f2-4f65-b411-09f5b70f0f0c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample