./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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 d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:49:36,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:49:36,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:49:36,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:49:36,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:49:36,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:49:36,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:49:36,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:49:36,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:49:36,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:49:36,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:49:36,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:49:36,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:49:36,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:49:36,509 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:49:36,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:49:36,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:36,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:49:36,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:49:36,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:49:36,509 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:49:36,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:49:36,509 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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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 -> d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d [2024-12-06 05:49:36,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:49:36,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:49:36,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:49:36,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:49:36,723 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:49:36,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-12-06 05:49:39,318 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/e1273dc7c/bc854b51fd524ca0b6aeb552677d4ca2/FLAG822d799e2 [2024-12-06 05:49:39,643 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:49:39,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-12-06 05:49:39,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/e1273dc7c/bc854b51fd524ca0b6aeb552677d4ca2/FLAG822d799e2 [2024-12-06 05:49:39,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/e1273dc7c/bc854b51fd524ca0b6aeb552677d4ca2 [2024-12-06 05:49:39,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:49:39,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:49:39,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:39,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:49:39,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:49:39,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:39" (1/1) ... [2024-12-06 05:49:39,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7783dc80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:39, skipping insertion in model container [2024-12-06 05:49:39,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:39" (1/1) ... [2024-12-06 05:49:39,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:49:40,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:40,629 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:49:40,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:40,801 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:49:40,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40 WrapperNode [2024-12-06 05:49:40,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:40,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:40,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:49:40,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:49:40,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,848 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-12-06 05:49:40,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:40,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:49:40,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:49:40,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:49:40,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,861 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:49:40,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:49:40,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:49:40,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:49:40,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:40" (1/1) ... [2024-12-06 05:49:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:40,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:49:40,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:49:40,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:49:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:49:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:49:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:49:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:49:41,025 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:49:41,027 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:49:41,196 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 05:49:41,196 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:49:41,367 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:49:41,368 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:49:41,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:41 BoogieIcfgContainer [2024-12-06 05:49:41,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:49:41,369 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:49:41,369 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:49:41,378 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:49:41,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:41" (1/1) ... [2024-12-06 05:49:41,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:49:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 05:49:41,431 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 05:49:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:49:41,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:49:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:41,616 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:49:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:41,743 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:49:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:41,776 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:49:41,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:49:41 ImpRootNode [2024-12-06 05:49:41,795 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:49:41,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:49:41,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:49:41,795 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:49:41,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:41" (3/4) ... [2024-12-06 05:49:41,798 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:49:41,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:49:41,800 INFO L158 Benchmark]: Toolchain (without parser) took 1917.59ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 91.6MB in the end (delta: 22.3MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-06 05:49:41,800 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:41,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.54ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 53.2MB in the end (delta: 60.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 05:49:41,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.10ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 111.7MB in the end (delta: -58.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 05:49:41,801 INFO L158 Benchmark]: Boogie Preprocessor took 18.04ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 111.1MB in the end (delta: 649.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:41,802 INFO L158 Benchmark]: RCFGBuilder took 501.14ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 69.9MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:49:41,802 INFO L158 Benchmark]: CodeCheck took 425.89ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 92.4MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:41,803 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 91.6MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:41,805 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, 13 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.54ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 53.2MB in the end (delta: 60.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.10ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 111.7MB in the end (delta: -58.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.04ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 111.1MB in the end (delta: 649.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.14ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 69.9MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 425.89ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 92.4MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 91.6MB 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 [2024-12-06 05:49:41,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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 d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:49:43,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:49:43,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:49:43,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:49:43,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:49:43,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:49:43,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:49:43,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:49:43,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:49:43,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:49:43,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:49:43,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:49:43,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:49:43,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:49:43,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:49:43,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:49:43,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:49:43,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:43,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:49:43,883 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:43,884 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:49:43,884 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_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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 -> d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d [2024-12-06 05:49:44,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:49:44,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:49:44,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:49:44,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:49:44,132 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:49:44,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-12-06 05:49:46,778 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/439ce147b/ee0e15aa700446c6b510409b9e09db61/FLAGfe68f2372 [2024-12-06 05:49:47,081 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:49:47,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-12-06 05:49:47,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/439ce147b/ee0e15aa700446c6b510409b9e09db61/FLAGfe68f2372 [2024-12-06 05:49:47,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/data/439ce147b/ee0e15aa700446c6b510409b9e09db61 [2024-12-06 05:49:47,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:49:47,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:49:47,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:47,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:49:47,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:49:47,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:47" (1/1) ... [2024-12-06 05:49:47,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35857e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:47, skipping insertion in model container [2024-12-06 05:49:47,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:47" (1/1) ... [2024-12-06 05:49:47,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:49:47,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:47,951 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:49:48,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:48,155 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:49:48,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48 WrapperNode [2024-12-06 05:49:48,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:48,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:48,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:49:48,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:49:48,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,198 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-12-06 05:49:48,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:48,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:49:48,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:49:48,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:49:48,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,216 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:49:48,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:49:48,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:49:48,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:49:48,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:49:48,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:49:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:49:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:49:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:49:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:49:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:49:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:49:48,403 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:49:48,405 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:49:48,516 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 05:49:48,516 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:49:48,576 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:49:48,576 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:49:48,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:48 BoogieIcfgContainer [2024-12-06 05:49:48,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:49:48,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:49:48,578 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:49:48,586 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:49:48,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:48" (1/1) ... [2024-12-06 05:49:48,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:49:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 05:49:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 05:49:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:49:48,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:48,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:49:48,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:49:48,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:49:48,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:49:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:48,794 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:49:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:48,881 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:49:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:49:48,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:49:48,920 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:49:48,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:49:48 ImpRootNode [2024-12-06 05:49:48,946 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:49:48,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:49:48,947 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:49:48,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:49:48,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:48" (3/4) ... [2024-12-06 05:49:48,948 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:49:48,989 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 05:49:49,033 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:49:49,033 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:49:49,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:49:49,034 INFO L158 Benchmark]: Toolchain (without parser) took 1908.44ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 53.1MB in the end (delta: 13.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 05:49:49,034 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:49,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1028.43ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 05:49:49,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.93ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:49,035 INFO L158 Benchmark]: Boogie Preprocessor took 24.14ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:49,036 INFO L158 Benchmark]: RCFGBuilder took 353.21ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:49:49,036 INFO L158 Benchmark]: CodeCheck took 368.55ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 58.0MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:49,036 INFO L158 Benchmark]: Witness Printer took 86.74ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 53.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:49:49,038 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, 13 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: 1559]: 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1028.43ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.6MB in the end (delta: 3.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.93ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.14ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.21ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.1MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 368.55ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 58.0MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.74ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 53.1MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:49:49,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5dd27d4-7ece-4e8b-8820-8a4bbe84b046/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)