./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_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_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/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_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/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_4119ddd3-6c66-4d8b-96ee-210785716888/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 c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:05:54,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:05:54,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:05:54,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:05:54,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:05:54,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:05:54,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:05:54,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:05:54,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:05:54,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:05:54,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:05:54,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:05:54,428 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:05:54,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:05:54,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:05:54,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:05:54,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:05:54,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:05:54,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:05:54,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:54,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:05:54,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:05:54,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:05:54,430 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:05:54,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:05:54,430 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_4119ddd3-6c66-4d8b-96ee-210785716888/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 -> c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 [2024-11-13 23:05:54,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:05:54,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:05:54,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:05:54,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:05:54,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:05:54,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 23:05:56,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:05:57,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:05:57,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i [2024-11-13 23:05:57,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data/87e3353e3/2831e45024014159b4daa40f97938067/FLAG0a7282c8c [2024-11-13 23:05:57,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data/87e3353e3/2831e45024014159b4daa40f97938067 [2024-11-13 23:05:57,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:05:57,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:05:57,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:57,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:05:57,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:05:57,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:57" (1/1) ... [2024-11-13 23:05:57,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179f11e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:57, skipping insertion in model container [2024-11-13 23:05:57,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:05:57" (1/1) ... [2024-11-13 23:05:57,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:05:58,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:58,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:05:58,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:05:58,392 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:05:58,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58 WrapperNode [2024-11-13 23:05:58,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:05:58,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:58,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:05:58,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:05:58,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,450 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2024-11-13 23:05:58,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:05:58,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:05:58,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:05:58,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:05:58,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:05:58,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:05:58,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:05:58,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:05:58,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:05:58" (1/1) ... [2024-11-13 23:05:58,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:05:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:05:58,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:05:58,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:05:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:05:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:05:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:05:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:05:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:05:58,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:05:58,726 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:05:58,942 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-13 23:05:58,943 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:05:59,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:05:59,247 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:05:59,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:59 BoogieIcfgContainer [2024-11-13 23:05:59,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:05:59,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:05:59,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:05:59,263 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:05:59,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:59" (1/1) ... [2024-11-13 23:05:59,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:05:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:05:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:05:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:05:59,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:59,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:59,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:59,983 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:06:00,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:06:00 ImpRootNode [2024-11-13 23:06:00,021 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:06:00,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:06:00,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:06:00,022 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:06:00,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:05:59" (3/4) ... [2024-11-13 23:06:00,027 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:06:00,028 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:06:00,029 INFO L158 Benchmark]: Toolchain (without parser) took 2868.34ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 36.3MB in the end (delta: 51.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-11-13 23:06:00,030 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:00,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1231.21ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 79.2MB in the end (delta: 9.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 23:06:00,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.31ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:00,032 INFO L158 Benchmark]: Boogie Preprocessor took 23.87ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:00,033 INFO L158 Benchmark]: RCFGBuilder took 772.66ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 84.3MB in the end (delta: -8.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-13 23:06:00,034 INFO L158 Benchmark]: CodeCheck took 768.74ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 36.3MB in the end (delta: 48.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:06:00,034 INFO L158 Benchmark]: Witness Printer took 6.85ms. Allocated memory is still 117.4MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:00,037 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, 12 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: 1572]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_52c_badSink(data) [L1572] 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 1.44ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1231.21ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 79.2MB in the end (delta: 9.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.31ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.87ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 772.66ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 84.3MB in the end (delta: -8.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * CodeCheck took 768.74ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 36.3MB in the end (delta: 48.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 6.85ms. Allocated memory is still 117.4MB. Free memory is still 36.3MB. 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 23:06:00,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/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_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/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_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/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_4119ddd3-6c66-4d8b-96ee-210785716888/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 c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:06:02,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:06:02,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:06:02,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:06:02,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:06:02,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:06:02,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:06:02,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:06:02,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:06:02,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:06:02,829 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:06:02,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:06:02,829 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:06:02,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:06:02,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:06:02,829 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:06:02,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:06:02,830 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:06:02,830 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:02,830 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:06:02,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:06:02,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:02,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:06:02,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:06:02,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:06:02,831 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:06:02,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:02,831 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:06:02,831 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_4119ddd3-6c66-4d8b-96ee-210785716888/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 -> c6b9e056f53c4e0da5d1e9328327d5ed616cc5d7f3c25f2eeb36053e0a486a37 [2024-11-13 23:06:03,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:06:03,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:06:03,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:06:03,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:06:03,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:06:03,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i Unable to find full path for "g++" [2024-11-13 23:06:05,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:06:05,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:06:05,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_52_bad.i [2024-11-13 23:06:05,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data/97212293e/fe0d73c14c614b74a8d1ff19739d91ea/FLAGf786c2400 [2024-11-13 23:06:05,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/data/97212293e/fe0d73c14c614b74a8d1ff19739d91ea [2024-11-13 23:06:05,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:06:05,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:06:05,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:05,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:06:05,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:06:05,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:05" (1/1) ... [2024-11-13 23:06:05,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346382e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:05, skipping insertion in model container [2024-11-13 23:06:05,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:05" (1/1) ... [2024-11-13 23:06:05,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:06:06,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:06,517 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:06:06,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:06,841 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:06:06,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06 WrapperNode [2024-11-13 23:06:06,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:06,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:06,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:06:06,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:06:06,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,914 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-11-13 23:06:06,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:06,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:06:06,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:06:06,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:06:06,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:06:06,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:06:06,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:06:06,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:06:06,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:06" (1/1) ... [2024-11-13 23:06:06,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:06,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:06:06,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:06:07,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:06:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:06:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:06:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:06:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:06:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:06:07,217 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:06:07,220 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:06:07,379 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 23:06:07,379 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:06:07,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:06:07,462 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:06:07,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:07 BoogieIcfgContainer [2024-11-13 23:06:07,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:06:07,464 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:06:07,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:06:07,474 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:06:07,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:07" (1/1) ... [2024-11-13 23:06:07,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:06:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:06:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:06:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:06:07,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:07,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:07,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:07,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:06:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:07,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:06:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:07,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:06:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:07,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:06:07,928 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:06:07,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:06:07 ImpRootNode [2024-11-13 23:06:07,963 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:06:07,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:06:07,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:06:07,965 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:06:07,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:07" (3/4) ... [2024-11-13 23:06:07,968 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:06:07,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:06:07,972 INFO L158 Benchmark]: Toolchain (without parser) took 2463.98ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 39.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-13 23:06:07,972 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:07,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1335.52ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.2MB in the end (delta: 5.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 23:06:07,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.28ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:07,973 INFO L158 Benchmark]: Boogie Preprocessor took 41.94ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:07,974 INFO L158 Benchmark]: RCFGBuilder took 502.65ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 52.6MB in the end (delta: -6.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-13 23:06:07,974 INFO L158 Benchmark]: CodeCheck took 498.78ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 39.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:06:07,974 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:07,980 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1572]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_52c_badSink(data) [L1572] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1335.52ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.2MB in the end (delta: 5.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.28ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.94ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.65ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 52.6MB in the end (delta: -6.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 498.78ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 39.1MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. 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 23:06:08,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4119ddd3-6c66-4d8b-96ee-210785716888/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