./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_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_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/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_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/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_d1032cce-c49d-4244-809e-f3193aaf2092/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 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:07,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:08,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:50:08,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:50:08,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:50:08,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:08,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:08,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:08,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:08,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:08,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:08,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:08,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:50:08,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:08,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:08,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:08,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:08,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:08,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:50:08,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:50:08,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:08,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:08,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:08,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:08,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:08,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:08,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:08,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:08,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:08,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:08,083 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:50:08,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:50:08,083 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_d1032cce-c49d-4244-809e-f3193aaf2092/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 -> 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 [2024-11-13 16:50:08,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:08,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:08,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:08,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:08,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:08,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i Unable to find full path for "g++" [2024-11-13 16:50:10,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:10,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:10,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-11-13 16:50:10,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data/a2a82b877/d20e027700244807aaf9b7b6f6a4a0e6/FLAG81069e3c0 [2024-11-13 16:50:10,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data/a2a82b877/d20e027700244807aaf9b7b6f6a4a0e6 [2024-11-13 16:50:10,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:10,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:10,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:10,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:10,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:10,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:10" (1/1) ... [2024-11-13 16:50:10,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fbcc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:10, skipping insertion in model container [2024-11-13 16:50:10,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:10" (1/1) ... [2024-11-13 16:50:10,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:11,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:11,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:11,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:12,125 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:12,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12 WrapperNode [2024-11-13 16:50:12,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:12,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:12,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:12,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:12,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,206 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2024-11-13 16:50:12,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:12,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:12,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:12,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:12,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:12,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:12,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:12,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:12,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:12" (1/1) ... [2024-11-13 16:50:12,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:12,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:12,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:12,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:50:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:50:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:12,516 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:12,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:12,842 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:12,842 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:13,156 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:13,157 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:50:13,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:13 BoogieIcfgContainer [2024-11-13 16:50:13,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:13,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:13,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:13,170 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:13,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:13" (1/1) ... [2024-11-13 16:50:13,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:50:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:50:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:50:13,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:13,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:13,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:13,971 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:50:14,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:50:14 ImpRootNode [2024-11-13 16:50:14,012 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:50:14,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:50:14,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:50:14,015 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:50:14,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:13" (3/4) ... [2024-11-13 16:50:14,020 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:50:14,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:50:14,022 INFO L158 Benchmark]: Toolchain (without parser) took 3103.61ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.8MB in the beginning and 370.3MB in the end (delta: -254.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-13 16:50:14,025 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:14,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1206.73ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.7MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 16:50:14,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.67ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 104.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:14,027 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:14,029 INFO L158 Benchmark]: RCFGBuilder took 923.34ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 65.5MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:50:14,030 INFO L158 Benchmark]: CodeCheck took 853.97ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.5MB in the beginning and 371.1MB in the end (delta: -305.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:14,031 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 427.8MB. Free memory was 371.1MB in the beginning and 370.3MB in the end (delta: 797.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:14,034 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: 0.8s, 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: 1567]: 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_sub_51_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_sub_51b_badSink(data) [L1567] data - 1 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 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1206.73ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 107.7MB in the end (delta: 8.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.67ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 104.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 923.34ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 65.5MB in the end (delta: 38.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 853.97ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.5MB in the beginning and 371.1MB in the end (delta: -305.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 427.8MB. Free memory was 371.1MB in the beginning and 370.3MB in the end (delta: 797.9kB). 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 16:50:14,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/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_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/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_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/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_d1032cce-c49d-4244-809e-f3193aaf2092/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 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:16,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:17,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:50:17,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:17,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:17,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:17,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:17,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:17,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:17,227 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:50:17,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:50:17,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:50:17,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:17,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:17,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:17,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:17,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:17,230 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:17,230 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:50:17,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:17,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:17,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:17,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:17,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:17,231 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:50:17,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:17,232 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:50:17,232 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_d1032cce-c49d-4244-809e-f3193aaf2092/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 -> 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 [2024-11-13 16:50:17,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:17,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:17,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:17,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:17,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:17,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i Unable to find full path for "g++" [2024-11-13 16:50:19,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:20,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:20,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-11-13 16:50:20,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data/a4455d243/086873cba7ab43748df4eb421ab442e7/FLAG69634653d [2024-11-13 16:50:20,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/data/a4455d243/086873cba7ab43748df4eb421ab442e7 [2024-11-13 16:50:20,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:20,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:20,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:20,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:20,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:20,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:20" (1/1) ... [2024-11-13 16:50:20,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9c817d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:20, skipping insertion in model container [2024-11-13 16:50:20,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:20" (1/1) ... [2024-11-13 16:50:20,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:21,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:21,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:21,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:22,135 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:22,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22 WrapperNode [2024-11-13 16:50:22,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:22,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:22,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:22,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:22,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,198 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-13 16:50:22,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:22,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:22,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:22,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:22,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:22,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:22,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:22,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:22,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:22,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:22,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:22,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:50:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:50:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:22,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:22,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:22,619 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:22,619 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:22,686 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:22,687 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:50:22,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:22 BoogieIcfgContainer [2024-11-13 16:50:22,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:22,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:22,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:22,698 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:22,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:22" (1/1) ... [2024-11-13 16:50:22,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:50:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:50:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:50:22,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:22,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:22,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:22,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:22,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:50:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:22,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:23,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:23,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:50:23,155 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:50:23,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:50:23 ImpRootNode [2024-11-13 16:50:23,186 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:50:23,188 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:50:23,188 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:50:23,188 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:50:23,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:22" (3/4) ... [2024-11-13 16:50:23,191 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:50:23,192 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:50:23,193 INFO L158 Benchmark]: Toolchain (without parser) took 2916.34ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 40.6MB in the end (delta: 16.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 16:50:23,193 INFO L158 Benchmark]: CDTParser took 1.58ms. 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 16:50:23,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1857.37ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.7MB in the end (delta: 4.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 16:50:23,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.37ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 50.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:23,194 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 48.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:23,194 INFO L158 Benchmark]: RCFGBuilder took 456.63ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 31.4MB in the end (delta: 17.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:23,195 INFO L158 Benchmark]: CodeCheck took 498.34ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 41.1MB in the end (delta: -10.0MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-13 16:50:23,195 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 40.6MB in the end (delta: 426.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:23,197 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: 1567]: 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_sub_51_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_sub_51b_badSink(data) [L1567] data - 1 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 1.58ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1857.37ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.7MB in the end (delta: 4.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.37ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 50.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 48.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.63ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 31.4MB in the end (delta: 17.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 498.34ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 41.1MB in the end (delta: -10.0MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 40.6MB in the end (delta: 426.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:50:23,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1032cce-c49d-4244-809e-f3193aaf2092/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