./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_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_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/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_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/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_f04647c2-abe9-4336-83c8-8e8326fb088d/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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:43:01,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:43:01,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:43:01,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:43:01,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:43:01,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:43:01,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:43:01,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:43:01,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:43:01,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:43:01,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:43:01,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:43:01,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:43:01,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:43:01,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:43:01,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:43:01,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:01,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:43:01,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:43:01,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:43:01,489 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:43:01,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:43:01,490 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_f04647c2-abe9-4336-83c8-8e8326fb088d/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 -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-12-06 01:43:01,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:43:01,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:43:01,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:43:01,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:43:01,706 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:43:01,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-12-06 01:43:04,280 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/a7249e49b/1c042cba07e94bf3be2f25aae645edf0/FLAGd5137d9be [2024-12-06 01:43:04,599 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:43:04,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-12-06 01:43:04,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/a7249e49b/1c042cba07e94bf3be2f25aae645edf0/FLAGd5137d9be [2024-12-06 01:43:04,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/a7249e49b/1c042cba07e94bf3be2f25aae645edf0 [2024-12-06 01:43:04,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:43:04,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:43:04,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:04,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:43:04,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:43:04,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc481c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:04, skipping insertion in model container [2024-12-06 01:43:04,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:04" (1/1) ... [2024-12-06 01:43:04,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:43:05,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:05,535 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:43:05,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:05,693 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:43:05,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05 WrapperNode [2024-12-06 01:43:05,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:05,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:05,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:43:05,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:43:05,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,728 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 99 [2024-12-06 01:43:05,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:05,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:43:05,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:43:05,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:43:05,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,740 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:43:05,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:43:05,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:43:05,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:43:05,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:05" (1/1) ... [2024-12-06 01:43:05,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:05,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:43:05,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:43:05,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:43:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:43:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:43:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:43:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:43:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:43:05,899 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:43:05,900 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:43:06,061 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-12-06 01:43:06,061 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:43:06,222 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:43:06,223 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:43:06,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:06 BoogieIcfgContainer [2024-12-06 01:43:06,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:43:06,224 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:43:06,224 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:43:06,233 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:43:06,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:06" (1/1) ... [2024-12-06 01:43:06,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:43:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:43:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:43:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:43:06,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:06,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:06,499 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:43:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:06,621 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:43:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:06,656 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:43:06,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:43:06 ImpRootNode [2024-12-06 01:43:06,677 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:43:06,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:43:06,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:43:06,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:43:06,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:06" (3/4) ... [2024-12-06 01:43:06,681 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:43:06,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:43:06,682 INFO L158 Benchmark]: Toolchain (without parser) took 1810.59ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 88.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,683 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.46ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 111.6MB in the end (delta: 1.9MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.31ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 109.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,684 INFO L158 Benchmark]: Boogie Preprocessor took 16.35ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,684 INFO L158 Benchmark]: RCFGBuilder took 477.66ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 69.8MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:43:06,684 INFO L158 Benchmark]: CodeCheck took 453.61ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 89.2MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,685 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 88.4MB in the end (delta: 783.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:06,687 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_52c_badSink(data) [L1572] --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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 821.46ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 111.6MB in the end (delta: 1.9MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.31ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 109.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.35ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 107.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 477.66ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 69.8MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 453.61ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 89.2MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 88.4MB in the end (delta: 783.7kB). 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 01:43:06,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/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_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/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_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/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_f04647c2-abe9-4336-83c8-8e8326fb088d/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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:43:08,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:43:08,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:43:08,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:43:08,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:43:08,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:43:08,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:43:08,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:43:08,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:43:08,693 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:43:08,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:43:08,694 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:43:08,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:43:08,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:08,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:43:08,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:43:08,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:43:08,695 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:43:08,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:43:08,695 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:43:08,695 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_f04647c2-abe9-4336-83c8-8e8326fb088d/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 -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-12-06 01:43:08,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:43:08,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:43:08,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:43:08,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:43:08,949 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:43:08,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-12-06 01:43:11,735 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/84ec6aa5b/287d6a8c68dc42b09af331a4381d66ad/FLAG1cd81a350 [2024-12-06 01:43:12,006 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:43:12,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-12-06 01:43:12,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/84ec6aa5b/287d6a8c68dc42b09af331a4381d66ad/FLAG1cd81a350 [2024-12-06 01:43:12,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/data/84ec6aa5b/287d6a8c68dc42b09af331a4381d66ad [2024-12-06 01:43:12,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:43:12,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:43:12,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:12,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:43:12,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:43:12,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b0da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12, skipping insertion in model container [2024-12-06 01:43:12,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:43:12,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:12,715 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:43:12,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:43:12,916 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:43:12,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12 WrapperNode [2024-12-06 01:43:12,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:43:12,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:12,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:43:12,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:43:12,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,957 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2024-12-06 01:43:12,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:43:12,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:43:12,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:43:12,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:43:12,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,974 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:43:12,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:43:12,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:43:12,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:43:12,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:43:12" (1/1) ... [2024-12-06 01:43:12,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:43:12,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:43:13,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:43:13,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:43:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:43:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:43:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:43:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:43:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:43:13,139 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:43:13,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:43:13,247 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 01:43:13,247 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:43:13,296 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:43:13,296 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:43:13,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:13 BoogieIcfgContainer [2024-12-06 01:43:13,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:43:13,297 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:43:13,297 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:43:13,303 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:43:13,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:13" (1/1) ... [2024-12-06 01:43:13,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:43:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:43:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:43:13,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:43:13,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:13,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:43:13,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:43:13,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:43:13,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:43:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:13,498 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:43:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:13,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:43:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:43:13,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:43:13,607 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:43:13,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:43:13 ImpRootNode [2024-12-06 01:43:13,627 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:43:13,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:43:13,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:43:13,628 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:43:13,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:43:13" (3/4) ... [2024-12-06 01:43:13,629 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:43:13,660 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 01:43:13,695 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:43:13,695 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:43:13,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:43:13,696 INFO L158 Benchmark]: Toolchain (without parser) took 1651.14ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 66.3MB in the beginning and 128.1MB in the end (delta: -61.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 01:43:13,696 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:13,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.75ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 63.1MB in the end (delta: 3.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-12-06 01:43:13,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.84ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:13,697 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:13,698 INFO L158 Benchmark]: RCFGBuilder took 313.21ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:43:13,698 INFO L158 Benchmark]: CodeCheck took 330.68ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 41.3MB in the beginning and 132.6MB in the end (delta: -91.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:13,698 INFO L158 Benchmark]: Witness Printer took 67.49ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 128.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:43:13,700 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: 1572]: 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_52c_badSink(data) [L1572] --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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.75ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 63.1MB in the end (delta: 3.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.84ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 313.21ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 41.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 330.68ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 41.3MB in the beginning and 132.6MB in the end (delta: -91.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.49ms. Allocated memory is still 167.8MB. Free memory was 132.6MB in the beginning and 128.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:43:13,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04647c2-abe9-4336-83c8-8e8326fb088d/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)