./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm --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 e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:50,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:50,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:42:50,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:42:50,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:42:50,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:50,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:42:50,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:42:50,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:50,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:50,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:50,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:42:50,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:42:50,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:50,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:42:50,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:50,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:42:50,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:50,763 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:42:50,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:42:50,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:42:50,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:50,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:50,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:50,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:50,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:50,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:50,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:50,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:50,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:42:50,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:42:50,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:42:50,765 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_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm 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 -> e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca [2024-11-13 21:42:51,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:51,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:51,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:51,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:51,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:51,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i Unable to find full path for "g++" [2024-11-13 21:42:53,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:53,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:53,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i [2024-11-13 21:42:53,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data/698061541/f133d42d4fb948ae82371ca81d31aa46/FLAG675dfbd53 [2024-11-13 21:42:53,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data/698061541/f133d42d4fb948ae82371ca81d31aa46 [2024-11-13 21:42:53,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:53,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:53,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:53,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:53,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:53,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:53" (1/1) ... [2024-11-13 21:42:53,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1687b84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:53, skipping insertion in model container [2024-11-13 21:42:53,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:53" (1/1) ... [2024-11-13 21:42:53,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:55,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:55,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:42:55,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:55,334 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:42:55,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55 WrapperNode [2024-11-13 21:42:55,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:55,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:55,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:42:55,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:42:55,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,415 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2024-11-13 21:42:55,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:55,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:42:55,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:42:55,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:42:55,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:42:55,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:42:55,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:42:55,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:42:55,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:55" (1/1) ... [2024-11-13 21:42:55,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:55,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:42:55,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:42:55,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:42:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:42:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:42:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:42:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:42:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:42:55,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:42:55,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:42:55,915 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-13 21:42:55,915 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:42:56,133 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:42:56,133 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:42:56,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:56 BoogieIcfgContainer [2024-11-13 21:42:56,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:42:56,134 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:42:56,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:42:56,144 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:42:56,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:56" (1/1) ... [2024-11-13 21:42:56,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:42:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 21:42:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 21:42:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:42:56,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:56,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:56,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:56,832 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:42:56,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:42:56 ImpRootNode [2024-11-13 21:42:56,867 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:42:56,868 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:42:56,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:42:56,869 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:42:56,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:56" (3/4) ... [2024-11-13 21:42:56,872 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:42:56,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:42:56,875 INFO L158 Benchmark]: Toolchain (without parser) took 3037.01ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.2MB in the beginning and 372.8MB in the end (delta: -257.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-13 21:42:56,876 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:56,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1494.73ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 106.3MB in the end (delta: 8.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:56,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.81ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 103.1MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:56,880 INFO L158 Benchmark]: Boogie Preprocessor took 41.29ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:56,880 INFO L158 Benchmark]: RCFGBuilder took 676.00ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 64.2MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:42:56,881 INFO L158 Benchmark]: CodeCheck took 732.85ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.2MB in the beginning and 372.8MB in the end (delta: -308.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:56,881 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 427.8MB. Free memory was 372.8MB in the beginning and 372.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:56,886 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 9 NumberOfCodeBlocks, 9 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 - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1578, overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) 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] [L1563] case 7: 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] [L1565] --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 0.52ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1494.73ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 106.3MB in the end (delta: 8.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.81ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 103.1MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.29ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 676.00ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 64.2MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 732.85ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 64.2MB in the beginning and 372.8MB in the end (delta: -308.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 427.8MB. Free memory was 372.8MB in the beginning and 372.8MB 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 [2024-11-13 21:42:56,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/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_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm --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 e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:00,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:00,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:43:00,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:00,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:00,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:00,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:00,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:00,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:00,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:00,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:00,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:00,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:00,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:00,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:43:00,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:43:00,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:00,346 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:43:00,346 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:43:00,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:43:00,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:00,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:00,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:00,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:00,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:00,347 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:00,347 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:43:00,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:00,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:00,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:00,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:00,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:00,348 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:43:00,348 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:00,348 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:43:00,348 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_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm 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 -> e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca [2024-11-13 21:43:00,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:00,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:00,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:00,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:00,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:00,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i Unable to find full path for "g++" [2024-11-13 21:43:02,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:03,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:03,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i [2024-11-13 21:43:03,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data/31328bd88/0e4b084b50cc4514a563dd2428315514/FLAGc4288a8e2 [2024-11-13 21:43:03,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/data/31328bd88/0e4b084b50cc4514a563dd2428315514 [2024-11-13 21:43:03,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:03,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:03,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:03,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:03,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:03,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:03" (1/1) ... [2024-11-13 21:43:03,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9a0fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:03, skipping insertion in model container [2024-11-13 21:43:03,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:03" (1/1) ... [2024-11-13 21:43:03,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:04,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:04,862 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:04,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:05,230 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:05,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05 WrapperNode [2024-11-13 21:43:05,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:05,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:05,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:05,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:05,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,327 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-13 21:43:05,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:05,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:05,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:05,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:05,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:05,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:05,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:05,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:05,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:05,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:05,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:05,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:05,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:43:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:43:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:05,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:05,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:05,892 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:05,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:05,983 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:05,983 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:43:05,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:05 BoogieIcfgContainer [2024-11-13 21:43:05,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:05,985 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:05,985 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:05,996 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:05,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:05" (1/1) ... [2024-11-13 21:43:06,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:06,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 21:43:06,061 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 21:43:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:43:06,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:06,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:06,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:06,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:06,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:43:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:06,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:06,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:06,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:43:06,532 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:43:06,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:43:06 ImpRootNode [2024-11-13 21:43:06,581 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:43:06,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:43:06,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:43:06,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:43:06,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:05" (3/4) ... [2024-11-13 21:43:06,588 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:43:06,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:43:06,590 INFO L158 Benchmark]: Toolchain (without parser) took 3057.53ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 34.7MB in the end (delta: 20.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,591 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1696.32ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 48.7MB in the end (delta: 6.6MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.33ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 46.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,595 INFO L158 Benchmark]: Boogie Preprocessor took 53.04ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 44.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:06,595 INFO L158 Benchmark]: RCFGBuilder took 602.47ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 50.2MB in the end (delta: -6.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,596 INFO L158 Benchmark]: CodeCheck took 596.38ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 35.1MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,596 INFO L158 Benchmark]: Witness Printer took 7.34ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 34.7MB in the end (delta: 457.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:43:06,603 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, 20 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, 9 NumberOfCodeBlocks, 9 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 - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) 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] [L1563] case 7: 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] [L1565] --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 0.56ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1696.32ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 48.7MB in the end (delta: 6.6MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.33ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 46.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.04ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 44.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.47ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 50.2MB in the end (delta: -6.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * CodeCheck took 596.38ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 35.1MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.34ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 34.7MB in the end (delta: 457.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:43:06,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aae4f18-3dc8-4927-ba77-bfb1335a10b4/bin/ukojak-verify-EEHR8qb7sm/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 Result: UNKNOWN: Overapproximated counterexample