./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_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_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/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_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/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_634309f3-b3d5-4c66-a085-6021160bebb1/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 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:14:33,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:14:33,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:14:33,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:14:33,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:14:33,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:14:33,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:14:33,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:14:33,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:14:33,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:14:33,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:14:33,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:14:33,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:14:33,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:14:33,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:14:33,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:14:33,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:14:33,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:14:33,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:14:33,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:33,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:14:33,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:14:33,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:14:33,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:14:33,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:14:33,573 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_634309f3-b3d5-4c66-a085-6021160bebb1/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 -> 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d [2024-12-06 03:14:33,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:14:33,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:14:33,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:14:33,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:14:33,887 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:14:33,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2024-12-06 03:14:37,344 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/c206481ff/adf0ad2b5abe49739f832d2d96746855/FLAG36f5b70ed [2024-12-06 03:14:37,712 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:14:37,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2024-12-06 03:14:37,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/c206481ff/adf0ad2b5abe49739f832d2d96746855/FLAG36f5b70ed [2024-12-06 03:14:37,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/c206481ff/adf0ad2b5abe49739f832d2d96746855 [2024-12-06 03:14:37,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:14:37,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:14:37,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:37,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:14:37,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:14:37,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:37" (1/1) ... [2024-12-06 03:14:37,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb4fc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:37, skipping insertion in model container [2024-12-06 03:14:37,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:37" (1/1) ... [2024-12-06 03:14:37,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:14:38,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:38,804 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:14:38,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:39,029 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:14:39,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39 WrapperNode [2024-12-06 03:14:39,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:39,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:39,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:14:39,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:14:39,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,083 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-12-06 03:14:39,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:39,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:14:39,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:14:39,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:14:39,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:14:39,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:14:39,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:14:39,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:14:39,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:39,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:14:39,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:14:39,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:14:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:14:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:14:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:14:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:14:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:14:39,302 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:14:39,304 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:14:39,506 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 03:14:39,506 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:14:39,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:14:39,732 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:14:39,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:39 BoogieIcfgContainer [2024-12-06 03:14:39,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:14:39,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:14:39,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:14:39,745 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:14:39,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:39" (1/1) ... [2024-12-06 03:14:39,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:14:39,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:14:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:14:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:14:39,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:39,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:40,072 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:14:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:40,233 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:14:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:40,280 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:14:40,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:14:40 ImpRootNode [2024-12-06 03:14:40,308 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:14:40,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:14:40,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:14:40,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:14:40,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:39" (3/4) ... [2024-12-06 03:14:40,313 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:14:40,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:14:40,315 INFO L158 Benchmark]: Toolchain (without parser) took 2384.96ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 87.9MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:14:40,315 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:40,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1098.14ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.7MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:14:40,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.37ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 111.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:40,317 INFO L158 Benchmark]: Boogie Preprocessor took 26.62ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 110.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:40,317 INFO L158 Benchmark]: RCFGBuilder took 621.03ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 69.9MB in the end (delta: 40.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:14:40,318 INFO L158 Benchmark]: CodeCheck took 574.74ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 87.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:40,318 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 87.9MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:40,321 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: 0.5s, 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, 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 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1098.14ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.7MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.37ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 111.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.62ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 110.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.03ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 69.9MB in the end (delta: 40.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 574.74ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 87.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 87.9MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:14:40,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/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_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/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_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/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_634309f3-b3d5-4c66-a085-6021160bebb1/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 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:14:42,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:14:42,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:14:42,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:14:42,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:14:42,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:14:42,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:14:42,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:14:42,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:14:42,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:14:42,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:14:42,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:14:42,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:14:42,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:14:42,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:14:42,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:14:42,838 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:14:42,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:14:42,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:14:42,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:14:42,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:14:42,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:14:42,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:14:42,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:14:42,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:14:42,839 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:42,839 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:14:42,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:14:42,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:42,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:14:42,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:14:42,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:14:42,840 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:14:42,840 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:42,840 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:14:42,840 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_634309f3-b3d5-4c66-a085-6021160bebb1/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 -> 4a48cdf031c57045c6a520d4b526d2af3e1e042ffdcd7f12ec72dee2ba5a301d [2024-12-06 03:14:43,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:14:43,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:14:43,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:14:43,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:14:43,132 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:14:43,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2024-12-06 03:14:46,425 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/7686054f4/ec0f166ffe4b4a8bafd88ade8dc78cfe/FLAGc0deec8d0 [2024-12-06 03:14:46,802 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:14:46,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_bad.i [2024-12-06 03:14:46,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/7686054f4/ec0f166ffe4b4a8bafd88ade8dc78cfe/FLAGc0deec8d0 [2024-12-06 03:14:46,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/data/7686054f4/ec0f166ffe4b4a8bafd88ade8dc78cfe [2024-12-06 03:14:46,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:14:46,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:14:46,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:46,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:14:47,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:14:47,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:46" (1/1) ... [2024-12-06 03:14:47,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e4c2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:47, skipping insertion in model container [2024-12-06 03:14:47,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:14:46" (1/1) ... [2024-12-06 03:14:47,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:14:47,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:47,891 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:14:48,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:14:48,122 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:14:48,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48 WrapperNode [2024-12-06 03:14:48,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:14:48,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:48,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:14:48,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:14:48,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,175 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-12-06 03:14:48,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:14:48,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:14:48,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:14:48,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:14:48,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,195 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:14:48,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:14:48,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:14:48,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:14:48,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:14:48,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:14:48,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:14:48,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:14:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:14:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:14:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:14:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:14:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:14:48,403 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:14:48,405 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:14:48,533 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 03:14:48,534 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:14:48,601 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:14:48,601 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:14:48,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:48 BoogieIcfgContainer [2024-12-06 03:14:48,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:14:48,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:14:48,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:14:48,612 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:14:48,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:48" (1/1) ... [2024-12-06 03:14:48,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:14:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:14:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:14:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:14:48,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:48,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:14:48,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:14:48,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:14:48,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:14:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:48,867 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:14:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:48,982 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:14:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:14:49,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:14:49,020 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:14:49,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:14:49 ImpRootNode [2024-12-06 03:14:49,051 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:14:49,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:14:49,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:14:49,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:14:49,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:14:48" (3/4) ... [2024-12-06 03:14:49,054 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:14:49,103 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 03:14:49,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:14:49,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:14:49,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:14:49,157 INFO L158 Benchmark]: Toolchain (without parser) took 2162.99ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 52.4MB in the end (delta: 14.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 03:14:49,158 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:49,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1127.43ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 61.3MB in the end (delta: 5.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 03:14:49,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.22ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 58.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:49,159 INFO L158 Benchmark]: Boogie Preprocessor took 27.79ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:49,159 INFO L158 Benchmark]: RCFGBuilder took 397.61ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 40.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:14:49,160 INFO L158 Benchmark]: CodeCheck took 447.72ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 56.8MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:14:49,160 INFO L158 Benchmark]: Witness Printer took 104.97ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 52.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:14:49,162 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 - 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1127.43ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 61.3MB in the end (delta: 5.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.22ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 58.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.79ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.61ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 40.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 447.72ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 56.8MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.97ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 52.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:14:49,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634309f3-b3d5-4c66-a085-6021160bebb1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)