./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:52:45,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:52:45,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:52:45,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:52:45,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:52:45,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:52:45,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:52:45,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:52:45,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:52:45,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:52:45,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:52:45,668 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:52:45,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:52:45,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:52:45,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:52:45,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:52:45,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:52:45,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:52:45,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:52:45,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:52:45,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:52:45,669 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:52:45,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:52:45,670 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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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 -> 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 [2024-12-05 22:52:45,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:52:45,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:52:45,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:52:45,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:52:45,911 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:52:45,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i [2024-12-05 22:52:48,533 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/101f4f7cf/9f7b54fad8eb499daccf5218735f3f4e/FLAGb0d31214d [2024-12-05 22:52:48,860 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:52:48,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i [2024-12-05 22:52:48,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/101f4f7cf/9f7b54fad8eb499daccf5218735f3f4e/FLAGb0d31214d [2024-12-05 22:52:49,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/101f4f7cf/9f7b54fad8eb499daccf5218735f3f4e [2024-12-05 22:52:49,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:52:49,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:52:49,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:52:49,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:52:49,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:52:49,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:49,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a47750e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49, skipping insertion in model container [2024-12-05 22:52:49,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:49,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:52:49,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:52:49,770 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:52:49,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:52:49,954 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:52:49,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49 WrapperNode [2024-12-05 22:52:49,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:52:49,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:52:49,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:52:49,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:52:49,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:49,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,003 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-12-05 22:52:50,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:52:50,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:52:50,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:52:50,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:52:50,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,019 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:52:50,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:52:50,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:52:50,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:52:50,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:49" (1/1) ... [2024-12-05 22:52:50,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:52:50,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:52:50,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:52:50,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:52:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:52:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:52:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:52:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:52:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:52:50,187 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:52:50,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:52:50,352 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-05 22:52:50,352 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:52:50,509 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:52:50,509 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:52:50,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:50 BoogieIcfgContainer [2024-12-05 22:52:50,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:52:50,510 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:52:50,510 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:52:50,517 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:52:50,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:50" (1/1) ... [2024-12-05 22:52:50,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:52:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:52:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:52:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:52:50,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:50,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:52:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:50,750 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:52:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:50,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:52:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:50,910 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:52:50,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:52:50 ImpRootNode [2024-12-05 22:52:50,933 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:52:50,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:52:50,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:52:50,934 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:52:50,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:50" (3/4) ... [2024-12-05 22:52:50,937 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:52:50,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:52:50,939 INFO L158 Benchmark]: Toolchain (without parser) took 1830.67ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 92.1MB in the end (delta: 21.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-12-05 22:52:50,939 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:50,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.47ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.5MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:52:50,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.44ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 113.7MB in the end (delta: -58.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-05 22:52:50,941 INFO L158 Benchmark]: Boogie Preprocessor took 22.11ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 113.1MB in the end (delta: 657.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:50,941 INFO L158 Benchmark]: RCFGBuilder took 482.10ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 72.1MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 22:52:50,941 INFO L158 Benchmark]: CodeCheck took 423.56ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 92.1MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:50,942 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 92.1MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:50,944 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.47ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.5MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.44ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 113.7MB in the end (delta: -58.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.11ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 113.1MB in the end (delta: 657.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.10ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 72.1MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 423.56ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 92.1MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 92.1MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:52:50,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:52:52,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:52:52,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:52:52,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:52:52,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:52:52,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:52:52,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:52:52,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:52:52,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:52:52,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:52:52,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:52:52,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:52:52,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:52:52,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:52:52,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:52:52,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:52:52,988 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:52,988 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:52:52,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:52:52,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:52:52,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:52:52,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:52:52,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:52:52,989 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:52:52,989 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:52,989 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:52:52,989 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_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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 -> 397e13787ce62af46fa3c580ce2bad48acf7b99b8aea1097ed4b90b0aa281570 [2024-12-05 22:52:53,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:52:53,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:52:53,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:52:53,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:52:53,243 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:52:53,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i [2024-12-05 22:52:55,917 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/c3eaeaf87/a8f3b07a0a054541a97e184051ed1d05/FLAGf7fa69c64 [2024-12-05 22:52:56,169 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:52:56,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_06_bad.i [2024-12-05 22:52:56,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/c3eaeaf87/a8f3b07a0a054541a97e184051ed1d05/FLAGf7fa69c64 [2024-12-05 22:52:56,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/data/c3eaeaf87/a8f3b07a0a054541a97e184051ed1d05 [2024-12-05 22:52:56,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:52:56,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:52:56,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:52:56,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:52:56,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:52:56,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:52:56" (1/1) ... [2024-12-05 22:52:56,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3988d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:56, skipping insertion in model container [2024-12-05 22:52:56,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:52:56" (1/1) ... [2024-12-05 22:52:56,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:52:57,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:52:57,116 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:52:57,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:52:57,288 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:52:57,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57 WrapperNode [2024-12-05 22:52:57,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:52:57,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:52:57,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:52:57,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:52:57,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,330 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-12-05 22:52:57,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:52:57,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:52:57,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:52:57,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:52:57,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,349 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:52:57,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:52:57,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:52:57,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:52:57,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:52:57,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:52:57,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:52:57,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:52:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:52:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:52:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:52:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:52:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:52:57,516 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:52:57,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:52:57,614 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-05 22:52:57,614 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:52:57,672 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:52:57,672 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:52:57,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:57 BoogieIcfgContainer [2024-12-05 22:52:57,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:52:57,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:52:57,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:52:57,683 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:52:57,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:57" (1/1) ... [2024-12-05 22:52:57,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:52:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:52:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:52:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:52:57,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:57,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:57,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:57,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:57,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:52:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:57,867 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:52:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:57,959 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:52:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:52:57,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:52:57,991 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:52:58,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:52:58 ImpRootNode [2024-12-05 22:52:58,013 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:52:58,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:52:58,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:52:58,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:52:58,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:57" (3/4) ... [2024-12-05 22:52:58,016 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:52:58,051 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 22:52:58,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:52:58,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:52:58,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:52:58,096 INFO L158 Benchmark]: Toolchain (without parser) took 1629.68ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 51.3MB in the end (delta: 14.7MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-05 22:52:58,096 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:58,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.15ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.0MB in the end (delta: 3.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-05 22:52:58,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.81ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:58,097 INFO L158 Benchmark]: Boogie Preprocessor took 23.60ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:58,097 INFO L158 Benchmark]: RCFGBuilder took 317.52ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 40.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:52:58,097 INFO L158 Benchmark]: CodeCheck took 339.98ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 56.1MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:52:58,098 INFO L158 Benchmark]: Witness Printer took 80.47ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 51.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:52:58,099 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1560]: 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.15ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 62.0MB in the end (delta: 3.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.81ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.60ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.52ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 40.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 339.98ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 56.1MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.47ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 51.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:52:58,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b0f62dd-1f11-4cf4-940e-2163d88a3c10/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)