./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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 9256e1eadbd3419a6aa53cc9b1e5d70ca93124a6ba3fa0bbb7e21e9bceec5c94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:34:41,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:34:41,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:34:41,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:34:41,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:34:41,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:34:41,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:34:41,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:34:41,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:34:41,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:34:41,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:34:41,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:34:41,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:34:41,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:34:41,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:34:41,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:34:41,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:34:41,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:34:41,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:34:41,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:34:41,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:34:41,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:34:41,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:34:41,475 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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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 -> 9256e1eadbd3419a6aa53cc9b1e5d70ca93124a6ba3fa0bbb7e21e9bceec5c94 [2024-12-06 05:34:41,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:34:41,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:34:41,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:34:41,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:34:41,687 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:34:41,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_bad.i [2024-12-06 05:34:44,277 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/5dcacd450/e639193806e84424870b59658b0f27f3/FLAG40e364f7a [2024-12-06 05:34:44,585 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:34:44,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_bad.i [2024-12-06 05:34:44,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/5dcacd450/e639193806e84424870b59658b0f27f3/FLAG40e364f7a [2024-12-06 05:34:44,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/5dcacd450/e639193806e84424870b59658b0f27f3 [2024-12-06 05:34:44,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:34:44,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:34:44,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:44,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:34:44,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:34:44,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:44" (1/1) ... [2024-12-06 05:34:44,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff3c46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:44, skipping insertion in model container [2024-12-06 05:34:44,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:44" (1/1) ... [2024-12-06 05:34:44,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:34:45,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:45,511 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:34:45,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:45,695 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:34:45,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45 WrapperNode [2024-12-06 05:34:45,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:45,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:34:45,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:34:45,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:34:45,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,734 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2024-12-06 05:34:45,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:34:45,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:34:45,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:34:45,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:34:45,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:34:45,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:34:45,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:34:45,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:34:45,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:45" (1/1) ... [2024-12-06 05:34:45,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:34:45,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:34:45,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:34:45,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:34:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-06 05:34:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-06 05:34:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-12-06 05:34:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-12-06 05:34:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:34:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:34:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:34:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:34:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:34:45,914 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:34:45,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:34:46,108 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-06 05:34:46,108 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:34:46,320 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:34:46,320 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:34:46,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:46 BoogieIcfgContainer [2024-12-06 05:34:46,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:34:46,321 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:34:46,321 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:34:46,331 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:34:46,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:46" (1/1) ... [2024-12-06 05:34:46,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:34:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:46,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-12-06 05:34:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-12-06 05:34:46,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:34:46,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:46,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:34:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:46,589 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:34:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:46,760 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:34:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:46,808 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:34:46,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:34:46 ImpRootNode [2024-12-06 05:34:46,834 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:34:46,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:34:46,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:34:46,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:34:46,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:46" (3/4) ... [2024-12-06 05:34:46,838 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:34:46,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:34:46,840 INFO L158 Benchmark]: Toolchain (without parser) took 1995.67ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 43.7MB in the end (delta: 45.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-12-06 05:34:46,840 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:34:46,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.98ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 82.2MB in the end (delta: 7.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 05:34:46,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.34ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:34:46,841 INFO L158 Benchmark]: Boogie Preprocessor took 20.24ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:34:46,842 INFO L158 Benchmark]: RCFGBuilder took 564.14ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 85.7MB in the end (delta: -7.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-12-06 05:34:46,842 INFO L158 Benchmark]: CodeCheck took 513.47ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 43.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:34:46,842 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 117.4MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:34:46,845 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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: 1563]: 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); [L1583] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1583] 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] [L1584] CALL CWE191_Integer_Underflow__int_rand_sub_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [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)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.98ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 82.2MB in the end (delta: 7.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.34ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 79.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.24ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.14ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 85.7MB in the end (delta: -7.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * CodeCheck took 513.47ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 43.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 117.4MB. Free memory is still 43.7MB. 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 05:34:46,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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 9256e1eadbd3419a6aa53cc9b1e5d70ca93124a6ba3fa0bbb7e21e9bceec5c94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:34:48,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:34:48,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:34:48,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:34:48,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:34:48,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:34:48,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:34:48,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:34:48,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:34:48,915 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:34:48,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:34:48,916 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:34:48,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:34:48,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:34:48,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:34:48,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:34:48,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:34:48,917 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:34:48,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:34:48,917 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:34:48,917 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_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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 -> 9256e1eadbd3419a6aa53cc9b1e5d70ca93124a6ba3fa0bbb7e21e9bceec5c94 [2024-12-06 05:34:49,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:34:49,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:34:49,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:34:49,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:34:49,178 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:34:49,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_bad.i [2024-12-06 05:34:51,933 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/73c83420c/fc5c44ec381a4493a27d49630ac646f4/FLAG5ef859484 [2024-12-06 05:34:52,225 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:34:52,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_12_bad.i [2024-12-06 05:34:52,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/73c83420c/fc5c44ec381a4493a27d49630ac646f4/FLAG5ef859484 [2024-12-06 05:34:52,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/data/73c83420c/fc5c44ec381a4493a27d49630ac646f4 [2024-12-06 05:34:52,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:34:52,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:34:52,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:52,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:34:52,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:34:52,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:52" (1/1) ... [2024-12-06 05:34:52,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340b540a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:52, skipping insertion in model container [2024-12-06 05:34:52,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:52" (1/1) ... [2024-12-06 05:34:52,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:34:52,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:53,000 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:34:53,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:53,203 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:34:53,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53 WrapperNode [2024-12-06 05:34:53,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:53,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:34:53,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:34:53,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:34:53,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,247 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-12-06 05:34:53,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:34:53,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:34:53,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:34:53,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:34:53,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:34:53,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:34:53,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:34:53,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:34:53,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:34:53,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:34:53,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:34:53,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:34:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-06 05:34:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-06 05:34:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-12-06 05:34:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-12-06 05:34:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:34:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:34:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:34:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:34:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:34:53,436 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:34:53,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:34:53,566 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 05:34:53,566 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:34:53,613 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:34:53,613 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:34:53,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:53 BoogieIcfgContainer [2024-12-06 05:34:53,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:34:53,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:34:53,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:34:53,622 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:34:53,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:53" (1/1) ... [2024-12-06 05:34:53,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:34:53,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2024-12-06 05:34:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-12-06 05:34:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:34:53,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:34:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:34:53,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:34:53,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:34:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:53,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:34:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:53,951 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:34:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:34:53,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:34:53,990 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:34:54,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:34:54 ImpRootNode [2024-12-06 05:34:54,018 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:34:54,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:34:54,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:34:54,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:34:54,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:34:53" (3/4) ... [2024-12-06 05:34:54,021 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:34:54,064 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-12-06 05:34:54,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:34:54,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:34:54,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:34:54,112 INFO L158 Benchmark]: Toolchain (without parser) took 1845.61ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 49.2MB in the end (delta: 17.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 05:34:54,113 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:34:54,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.97ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.5MB in the end (delta: 3.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-12-06 05:34:54,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.65ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:34:54,114 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:34:54,114 INFO L158 Benchmark]: RCFGBuilder took 339.89ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 39.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:34:54,114 INFO L158 Benchmark]: CodeCheck took 403.66ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 54.3MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:34:54,115 INFO L158 Benchmark]: Witness Printer took 92.32ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 49.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:34:54,116 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 4 procedures, 31 locations, 4 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, 14 NumberOfCodeBlocks, 14 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: 1563]: 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); [L1583] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={2:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1583] 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] [L1584] CALL CWE191_Integer_Underflow__int_rand_sub_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [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)) [L1560] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1560] RET globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE globalReturnsTrueOrFalse() [L1563] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.97ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 62.5MB in the end (delta: 3.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.65ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 59.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 58.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.89ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 39.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 403.66ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 54.3MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 92.32ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 49.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:34:54,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7c7f23-9a0f-4c53-82cd-481012f31bd9/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)