./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:56:52,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:56:52,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:56:52,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:56:52,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:56:52,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:56:52,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:56:52,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:56:52,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:56:52,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:56:52,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:56:52,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:56:52,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:56:52,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:56:52,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:56:52,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:56:52,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:56:52,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:56:52,372 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:56:52,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:56:52,372 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:56:52,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:56:52,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:56:52,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:56:52,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:56:52,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:56:52,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:56:52,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:56:52,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:56:52,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:56:52,373 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:56:52,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:56:52,374 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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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 -> 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 [2024-12-05 22:56:52,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:56:52,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:56:52,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:56:52,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:56:52,646 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:56:52,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-12-05 22:56:56,037 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/d0f468a2a/0dad6d46ce2641358bc89cca5aada62e/FLAG440a54ec6 [2024-12-05 22:56:56,310 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:56:56,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-12-05 22:56:56,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/d0f468a2a/0dad6d46ce2641358bc89cca5aada62e/FLAG440a54ec6 [2024-12-05 22:56:56,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/d0f468a2a/0dad6d46ce2641358bc89cca5aada62e [2024-12-05 22:56:56,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:56:56,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:56:56,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:56:56,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:56:56,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:56:56,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:56:56" (1/1) ... [2024-12-05 22:56:56,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36059bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:56, skipping insertion in model container [2024-12-05 22:56:56,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:56:56" (1/1) ... [2024-12-05 22:56:56,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:56:56,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:56:56,969 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:56:57,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:56:57,131 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:56:57,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57 WrapperNode [2024-12-05 22:56:57,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:56:57,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:56:57,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:56:57,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:56:57,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,177 INFO L138 Inliner]: procedures = 497, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2024-12-05 22:56:57,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:56:57,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:56:57,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:56:57,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:56:57,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:56:57,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:56:57,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:56:57,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:56:57,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:56:57,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:56:57,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:56:57,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:56:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-05 22:56:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-05 22:56:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-12-05 22:56:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-12-05 22:56:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:56:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:56:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:56:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:56:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:56:57,361 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:56:57,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:56:57,557 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-05 22:56:57,557 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:56:57,736 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:56:57,736 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:56:57,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:56:57 BoogieIcfgContainer [2024-12-05 22:56:57,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:56:57,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:56:57,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:56:57,747 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:56:57,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:56:57" (1/1) ... [2024-12-05 22:56:57,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:56:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-12-05 22:56:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-12-05 22:56:57,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:56:57,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:56:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:56:58,057 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:56:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:56:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:56:58,253 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:56:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:56:58,310 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:56:58,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:56:58 ImpRootNode [2024-12-05 22:56:58,341 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:56:58,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:56:58,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:56:58,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:56:58,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:56:57" (3/4) ... [2024-12-05 22:56:58,345 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:56:58,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:56:58,347 INFO L158 Benchmark]: Toolchain (without parser) took 2000.14ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 44.0MB in the end (delta: 45.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-12-05 22:56:58,348 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:56:58,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.91ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 78.5MB in the end (delta: 10.4MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-05 22:56:58,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.02ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:56:58,349 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 74.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:56:58,350 INFO L158 Benchmark]: RCFGBuilder took 535.15ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 31.9MB in the end (delta: 42.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 22:56:58,350 INFO L158 Benchmark]: CodeCheck took 603.79ms. Allocated memory is still 117.4MB. Free memory was 31.4MB in the beginning and 44.0MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:56:58,351 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:56:58,353 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); [L1585] 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) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_rand_predec_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 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 0.42ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.91ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 78.5MB in the end (delta: 10.4MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.02ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 74.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 535.15ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 31.9MB in the end (delta: 42.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 603.79ms. Allocated memory is still 117.4MB. Free memory was 31.4MB in the beginning and 44.0MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:56:58,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:57:00,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:57:00,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:57:00,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:57:00,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:57:00,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:57:00,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:57:00,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:57:00,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:57:00,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:57:00,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:57:00,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:57:00,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:57:00,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:57:00,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:57:00,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:57:00,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:00,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:57:00,758 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:00,759 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:57:00,759 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_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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 -> 60b897a9b8008c7524cfef24ffa178aee0cbd081acd52e3ed30a07a76c5ae5b7 [2024-12-05 22:57:01,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:57:01,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:57:01,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:57:01,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:57:01,059 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:57:01,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-12-05 22:57:04,497 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/676104a4f/0da6f928612248d8a17b17941f35f7f1/FLAG55e29c620 [2024-12-05 22:57:04,868 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:57:04,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_12_bad.i [2024-12-05 22:57:04,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/676104a4f/0da6f928612248d8a17b17941f35f7f1/FLAG55e29c620 [2024-12-05 22:57:04,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/data/676104a4f/0da6f928612248d8a17b17941f35f7f1 [2024-12-05 22:57:04,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:57:04,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:57:04,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:04,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:57:04,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:57:04,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:04" (1/1) ... [2024-12-05 22:57:04,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47edeb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:04, skipping insertion in model container [2024-12-05 22:57:04,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:04" (1/1) ... [2024-12-05 22:57:04,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:57:05,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:05,955 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:57:06,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:06,219 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:57:06,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06 WrapperNode [2024-12-05 22:57:06,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:06,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:06,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:57:06,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:57:06,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,278 INFO L138 Inliner]: procedures = 502, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-12-05 22:57:06,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:06,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:57:06,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:57:06,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:57:06,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,303 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:57:06,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:57:06,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:57:06,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:57:06,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:06,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:57:06,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:57:06,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:57:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-05 22:57:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-05 22:57:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-12-05 22:57:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-12-05 22:57:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:57:06,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:57:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:57:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:57:06,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:57:06,530 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:57:06,532 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:57:06,704 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-05 22:57:06,704 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:57:06,764 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:57:06,765 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:57:06,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:06 BoogieIcfgContainer [2024-12-05 22:57:06,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:57:06,766 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:57:06,767 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:57:06,776 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:57:06,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:06" (1/1) ... [2024-12-05 22:57:06,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:57:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2024-12-05 22:57:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-12-05 22:57:06,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:57:06,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:06,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:57:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:07,041 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:07,201 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:07,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:57:07,251 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:57:07,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:57:07 ImpRootNode [2024-12-05 22:57:07,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:57:07,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:57:07,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:57:07,283 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:57:07,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:06" (3/4) ... [2024-12-05 22:57:07,285 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:57:07,334 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-12-05 22:57:07,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:57:07,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:57:07,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:57:07,388 INFO L158 Benchmark]: Toolchain (without parser) took 2471.13ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 48.1MB in the end (delta: 18.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-05 22:57:07,388 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:07,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.96ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.3MB in the end (delta: 4.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-05 22:57:07,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.61ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:07,390 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:07,390 INFO L158 Benchmark]: RCFGBuilder took 453.20ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 39.3MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:57:07,391 INFO L158 Benchmark]: CodeCheck took 515.90ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 53.1MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:07,391 INFO L158 Benchmark]: Witness Printer took 103.76ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 48.1MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:07,394 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: 0.5s, 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, 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); [L1585] 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) [L1585] 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] [L1586] CALL CWE191_Integer_Underflow__int_rand_predec_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 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 0.48ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.96ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.3MB in the end (delta: 4.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.61ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.20ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 39.3MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 515.90ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 53.1MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.76ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 48.1MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:57:07,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4661d8-a596-4c8a-acaf-f09e8b88986f/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)