./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b --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 a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:30:51,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:30:51,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:30:51,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:30:51,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:30:51,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:30:51,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:30:51,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:30:51,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:30:51,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:30:51,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:30:51,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:30:51,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:30:51,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:30:51,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:30:51,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:30:51,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:30:51,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:30:51,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:30:51,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:30:51,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:30:51,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:30:51,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b 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 -> a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda [2024-12-05 23:30:51,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:30:51,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:30:51,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:30:51,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:30:51,407 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:30:51,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-12-05 23:30:54,057 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/42badba6e/36e6a69645ce43e48c777bd27385d54e/FLAG7c07d7900 [2024-12-05 23:30:54,364 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:30:54,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-12-05 23:30:54,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/42badba6e/36e6a69645ce43e48c777bd27385d54e/FLAG7c07d7900 [2024-12-05 23:30:54,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/42badba6e/36e6a69645ce43e48c777bd27385d54e [2024-12-05 23:30:54,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:30:54,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:30:54,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:30:54,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:30:54,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:30:54,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:30:54" (1/1) ... [2024-12-05 23:30:54,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:54, skipping insertion in model container [2024-12-05 23:30:54,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:30:54" (1/1) ... [2024-12-05 23:30:54,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:30:55,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:30:55,324 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:30:55,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:30:55,504 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:30:55,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55 WrapperNode [2024-12-05 23:30:55,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:30:55,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:30:55,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:30:55,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:30:55,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,546 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2024-12-05 23:30:55,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:30:55,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:30:55,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:30:55,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:30:55,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,560 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:30:55,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:30:55,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:30:55,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:30:55,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:30:55" (1/1) ... [2024-12-05 23:30:55,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:30:55,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:30:55,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:30:55,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:30:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:30:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:30:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:30:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:30:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:30:55,726 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:30:55,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:30:55,884 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-12-05 23:30:55,885 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:30:56,022 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:30:56,022 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:30:56,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:56 BoogieIcfgContainer [2024-12-05 23:30:56,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:30:56,023 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:30:56,023 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:30:56,030 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:30:56,030 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:56" (1/1) ... [2024-12-05 23:30:56,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:30:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:30:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:30:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:30:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:30:56,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:30:56,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:30:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:56,234 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:30:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:56,403 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:30:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:30:56,437 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:30:56,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:30:56 ImpRootNode [2024-12-05 23:30:56,459 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:30:56,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:30:56,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:30:56,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:30:56,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:56" (3/4) ... [2024-12-05 23:30:56,462 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:30:56,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:30:56,464 INFO L158 Benchmark]: Toolchain (without parser) took 1837.39ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 91.9MB in the end (delta: 21.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-05 23:30:56,464 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:56,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 877.20ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 53.3MB in the end (delta: 59.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 23:30:56,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.99ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 111.3MB in the end (delta: -58.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-05 23:30:56,465 INFO L158 Benchmark]: Boogie Preprocessor took 18.55ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:56,466 INFO L158 Benchmark]: RCFGBuilder took 456.71ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 72.6MB in the end (delta: 37.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 23:30:56,466 INFO L158 Benchmark]: CodeCheck took 435.36ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 91.9MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:56,467 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:30:56,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1560. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL funcPtr(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 877.20ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 53.3MB in the end (delta: 59.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.99ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 111.3MB in the end (delta: -58.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.55ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.71ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 72.6MB in the end (delta: 37.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 435.36ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 91.9MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:30:56,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b --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 a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:30:58,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:30:58,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:30:58,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:30:58,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:30:58,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:30:58,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:30:58,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:30:58,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:30:58,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:30:58,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:30:58,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:30:58,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:30:58,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:30:58,522 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:30:58,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:30:58,523 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:30:58,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:30:58,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:30:58,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:30:58,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:30:58,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:30:58,524 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:30:58,524 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:30:58,524 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:30:58,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b 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 -> a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda [2024-12-05 23:30:58,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:30:58,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:30:58,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:30:58,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:30:58,773 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:30:58,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-12-05 23:31:01,486 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/080a0135b/59eac29a1b29490e95cb639d46c1dce2/FLAG4700c81c0 [2024-12-05 23:31:01,773 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:31:01,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-12-05 23:31:01,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/080a0135b/59eac29a1b29490e95cb639d46c1dce2/FLAG4700c81c0 [2024-12-05 23:31:02,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/data/080a0135b/59eac29a1b29490e95cb639d46c1dce2 [2024-12-05 23:31:02,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:31:02,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:31:02,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:02,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:31:02,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:31:02,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7e337b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02, skipping insertion in model container [2024-12-05 23:31:02,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:31:02,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:02,728 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:31:02,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:02,925 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:31:02,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02 WrapperNode [2024-12-05 23:31:02,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:02,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:02,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:31:02,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:31:02,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,970 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2024-12-05 23:31:02,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:02,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:31:02,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:31:02,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:31:02,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:02,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:31:02,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:31:02,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:31:02,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:31:02,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:02" (1/1) ... [2024-12-05 23:31:03,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:03,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:31:03,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:31:03,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:31:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:31:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:31:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:31:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:31:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:31:03,170 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:31:03,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:31:03,274 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-05 23:31:03,274 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:31:03,330 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:31:03,330 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:31:03,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:03 BoogieIcfgContainer [2024-12-05 23:31:03,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:31:03,331 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:31:03,331 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:31:03,339 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:31:03,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:03" (1/1) ... [2024-12-05 23:31:03,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:31:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:31:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:31:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:31:03,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:03,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:03,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:31:03,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:31:03,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:31:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:31:03,534 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:31:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:31:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:31:03,619 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:31:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:31:03,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:31:03,654 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:31:03,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:31:03 ImpRootNode [2024-12-05 23:31:03,674 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:31:03,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:31:03,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:31:03,675 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:31:03,675 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:03" (3/4) ... [2024-12-05 23:31:03,676 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:31:03,707 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 23:31:03,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:31:03,741 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:31:03,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:31:03,742 INFO L158 Benchmark]: Toolchain (without parser) took 1704.76ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 51.4MB in the end (delta: 14.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-05 23:31:03,742 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:03,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.30ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.2MB in the end (delta: 3.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-05 23:31:03,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.55ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:03,743 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:03,743 INFO L158 Benchmark]: RCFGBuilder took 332.45ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 39.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:31:03,744 INFO L158 Benchmark]: CodeCheck took 343.08ms. Allocated memory is still 92.3MB. Free memory was 39.7MB in the beginning and 56.0MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:03,744 INFO L158 Benchmark]: Witness Printer took 66.45ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 51.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:03,746 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: 0.3s, 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1551]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL funcPtr(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.30ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.2MB in the end (delta: 3.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.55ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.45ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 39.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 343.08ms. Allocated memory is still 92.3MB. Free memory was 39.7MB in the beginning and 56.0MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.45ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 51.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:31:03,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ac716f-4927-4bc2-a977-be44e3fccf1c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)