./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_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_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/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_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/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_72690f67-6674-4b09-af9f-4e16333d28a5/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 d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:13:54,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:13:54,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:13:54,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:13:54,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:13:54,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:13:54,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:13:54,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:13:54,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:13:54,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:13:54,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:13:54,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:13:54,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:13:54,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:13:54,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:13:54,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:13:54,623 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:13:54,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:13:54,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:13:54,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:54,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:13:54,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:13:54,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:13:54,624 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:13:54,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:13:54,624 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_72690f67-6674-4b09-af9f-4e16333d28a5/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 -> d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d [2024-11-13 22:13:54,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:13:54,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:13:54,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:13:54,963 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:13:54,963 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:13:54,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i Unable to find full path for "g++" [2024-11-13 22:13:56,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:13:57,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:13:57,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-11-13 22:13:57,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data/b19bd78d7/a0ac0f8fd7e2429ea913e585a2a0adfc/FLAG91df298c9 [2024-11-13 22:13:57,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data/b19bd78d7/a0ac0f8fd7e2429ea913e585a2a0adfc [2024-11-13 22:13:57,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:13:57,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:13:57,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:57,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:13:57,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:13:57,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:57" (1/1) ... [2024-11-13 22:13:57,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477558b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:57, skipping insertion in model container [2024-11-13 22:13:57,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:57" (1/1) ... [2024-11-13 22:13:57,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:13:58,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:58,581 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:13:58,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:58,839 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:13:58,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58 WrapperNode [2024-11-13 22:13:58,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:58,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:58,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:13:58,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:13:58,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,922 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 22:13:58,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:58,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:13:58,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:13:58,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:13:58,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:13:58,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:13:58,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:13:58,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:13:58,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:58" (1/1) ... [2024-11-13 22:13:58,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:58,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:13:59,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:13:59,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:13:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:13:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:13:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:13:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:13:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:13:59,180 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:13:59,182 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:59,440 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:59,440 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:59,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:59,729 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:13:59,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:59 BoogieIcfgContainer [2024-11-13 22:13:59,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:59,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:59,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:59,741 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:59,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:59" (1/1) ... [2024-11-13 22:13:59,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:59,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 22:13:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 22:13:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:13:59,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:00,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:14:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:00,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:14:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:00,460 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:14:00,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:14:00 ImpRootNode [2024-11-13 22:14:00,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:14:00,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:14:00,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:14:00,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:14:00,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:59" (3/4) ... [2024-11-13 22:14:00,504 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:14:00,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:14:00,506 INFO L158 Benchmark]: Toolchain (without parser) took 3047.64ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 102.9MB in the end (delta: 13.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,508 INFO L158 Benchmark]: CDTParser took 3.30ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:00,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.03ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.8MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.74ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,509 INFO L158 Benchmark]: Boogie Preprocessor took 36.89ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:00,510 INFO L158 Benchmark]: RCFGBuilder took 765.04ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 79.2MB in the end (delta: -27.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-13 22:14:00,513 INFO L158 Benchmark]: CodeCheck took 767.37ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 102.9MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:00,513 INFO L158 Benchmark]: Witness Printer took 6.04ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:00,515 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, 13 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, 6 NumberOfCodeBlocks, 6 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: 1559]: 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 1568, 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_predec_03_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)) [L1559] --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 3.30ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.03ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.8MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.74ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.89ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 52.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 765.04ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 79.2MB in the end (delta: -27.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * CodeCheck took 767.37ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 102.9MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.04ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 102.9MB 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 22:14:00,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/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_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/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_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/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_72690f67-6674-4b09-af9f-4e16333d28a5/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 d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:14:03,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:14:03,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:14:03,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:14:03,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:14:03,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:14:03,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:14:03,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:14:03,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:14:03,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:14:03,411 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:14:03,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:14:03,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:03,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:14:03,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:14:03,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:14:03,412 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:14:03,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:03,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:14:03,412 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_72690f67-6674-4b09-af9f-4e16333d28a5/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 -> d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d [2024-11-13 22:14:03,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:14:03,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:14:03,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:14:03,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:14:03,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:14:03,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i Unable to find full path for "g++" [2024-11-13 22:14:05,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:14:06,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:14:06,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-11-13 22:14:06,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data/8409c0b49/4e32240a6f3f4d6cb0f338a2fa285df0/FLAG3e023c133 [2024-11-13 22:14:06,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/data/8409c0b49/4e32240a6f3f4d6cb0f338a2fa285df0 [2024-11-13 22:14:06,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:14:06,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:14:06,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:06,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:14:06,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:14:06,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:06" (1/1) ... [2024-11-13 22:14:06,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fcfba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:06, skipping insertion in model container [2024-11-13 22:14:06,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:06" (1/1) ... [2024-11-13 22:14:06,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:14:07,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:07,244 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:14:07,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:07,539 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:14:07,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07 WrapperNode [2024-11-13 22:14:07,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:07,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:07,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:14:07,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:14:07,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,592 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 22:14:07,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:14:07,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:14:07,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:14:07,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:14:07,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:14:07,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:14:07,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:14:07,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:14:07,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:07" (1/1) ... [2024-11-13 22:14:07,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:07,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:14:07,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:14:07,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:14:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:14:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:14:07,901 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:14:07,903 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:14:08,070 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 22:14:08,070 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:14:08,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:14:08,168 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:14:08,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:08 BoogieIcfgContainer [2024-11-13 22:14:08,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:14:08,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:14:08,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:14:08,181 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:14:08,182 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:08" (1/1) ... [2024-11-13 22:14:08,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:14:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 22:14:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 22:14:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:14:08,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:08,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:08,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:08,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:08,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:14:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:14:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:14:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:08,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:14:08,710 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:14:08,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:14:08 ImpRootNode [2024-11-13 22:14:08,743 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:14:08,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:14:08,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:14:08,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:14:08,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:14:08" (3/4) ... [2024-11-13 22:14:08,747 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:14:08,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:14:08,751 INFO L158 Benchmark]: Toolchain (without parser) took 2555.78ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 40.2MB in the end (delta: 17.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 22:14:08,752 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1345.96ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 53.2MB in the end (delta: 4.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 22:14:08,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.95ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 50.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,753 INFO L158 Benchmark]: Boogie Preprocessor took 47.23ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 49.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,753 INFO L158 Benchmark]: RCFGBuilder took 527.90ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 31.0MB in the end (delta: 17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:14:08,753 INFO L158 Benchmark]: CodeCheck took 572.98ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 40.2MB in the end (delta: -9.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2024-11-13 22:14:08,757 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:14:08,760 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, 13 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, 6 NumberOfCodeBlocks, 6 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: 1559]: 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 1568. 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_predec_03_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)) [L1559] --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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1345.96ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 53.2MB in the end (delta: 4.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.95ms. Allocated memory is still 83.9MB. Free memory was 53.2MB in the beginning and 50.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.23ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 49.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.90ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 31.0MB in the end (delta: 17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 572.98ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 40.2MB in the end (delta: -9.3MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 6.5kB). 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 22:14:08,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72690f67-6674-4b09-af9f-4e16333d28a5/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample