./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_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_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/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_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/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_17c30ff2-c233-4d53-90c7-145608469002/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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:47:01,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:47:01,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:47:01,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:47:01,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:47:01,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:47:01,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:47:01,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:47:01,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:47:01,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:47:01,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:47:01,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:47:01,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:47:01,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:47:01,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:47:01,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:47:01,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:47:01,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:47:01,371 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:47:01,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:47:01,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:47:01,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:47:01,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:47:01,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:47:01,372 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:47:01,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:47:01,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:01,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:47:01,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:47:01,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:47:01,372 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:47:01,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:47:01,372 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_17c30ff2-c233-4d53-90c7-145608469002/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 -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2024-11-13 21:47:01,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:47:01,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:47:01,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:47:01,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:47:01,698 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:47:01,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i Unable to find full path for "g++" [2024-11-13 21:47:03,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:47:04,062 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:47:04,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2024-11-13 21:47:04,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data/10b71a9cf/7c49057878b444c8a4a90989751190c4/FLAGa7da5e141 [2024-11-13 21:47:04,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data/10b71a9cf/7c49057878b444c8a4a90989751190c4 [2024-11-13 21:47:04,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:47:04,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:47:04,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:04,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:47:04,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:47:04,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:04" (1/1) ... [2024-11-13 21:47:04,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ea45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:04, skipping insertion in model container [2024-11-13 21:47:04,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:04" (1/1) ... [2024-11-13 21:47:04,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:47:05,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:05,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:47:05,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:05,385 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:47:05,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05 WrapperNode [2024-11-13 21:47:05,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:05,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:05,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:47:05,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:47:05,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,432 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-13 21:47:05,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:05,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:47:05,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:47:05,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:47:05,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:47:05,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:47:05,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:47:05,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:47:05,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:05" (1/1) ... [2024-11-13 21:47:05,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:05,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:47:05,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:47:05,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:47:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:47:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:47:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:47:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:47:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:47:05,670 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:47:05,672 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:47:05,884 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 21:47:05,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:47:06,141 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:47:06,142 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:47:06,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:06 BoogieIcfgContainer [2024-11-13 21:47:06,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:47:06,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:47:06,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:47:06,153 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:47:06,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:06" (1/1) ... [2024-11-13 21:47:06,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:47:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:47:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:47:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:47:06,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:06,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:47:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:06,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:47:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:06,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:47:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:06,886 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:47:06,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:47:06 ImpRootNode [2024-11-13 21:47:06,926 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:47:06,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:47:06,928 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:47:06,929 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:47:06,929 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:06" (3/4) ... [2024-11-13 21:47:06,932 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:47:06,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:47:06,935 INFO L158 Benchmark]: Toolchain (without parser) took 2825.54ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 56.9MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:47:06,938 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:06,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1275.51ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 81.0MB in the end (delta: 8.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:47:06,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:06,939 INFO L158 Benchmark]: Boogie Preprocessor took 32.46ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:06,940 INFO L158 Benchmark]: RCFGBuilder took 675.82ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 39.8MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:47:06,940 INFO L158 Benchmark]: CodeCheck took 782.59ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 56.9MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:06,941 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 56.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:06,945 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: 1557]: 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 1565, overapproximation of bitwiseOr at line 1552. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1275.51ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 81.0MB in the end (delta: 8.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.46ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 675.82ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 39.8MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 782.59ms. Allocated memory is still 117.4MB. Free memory was 39.8MB in the beginning and 56.9MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 56.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:47:06,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/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_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/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_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/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_17c30ff2-c233-4d53-90c7-145608469002/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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:47:09,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:47:09,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:47:09,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:47:09,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:47:09,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:47:09,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:47:09,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:47:09,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:47:09,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:47:09,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:47:09,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:47:09,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:47:09,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:47:09,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:47:09,965 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:47:09,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:47:09,966 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:47:09,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:47:09,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:47:09,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:47:09,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:47:09,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:47:09,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:47:09,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:47:09,967 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:09,967 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:47:09,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:47:09,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:09,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:47:09,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:47:09,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:47:09,968 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:47:09,968 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:09,968 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:47:09,968 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_17c30ff2-c233-4d53-90c7-145608469002/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 -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2024-11-13 21:47:10,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:47:10,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:47:10,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:47:10,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:47:10,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:47:10,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i Unable to find full path for "g++" [2024-11-13 21:47:12,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:47:12,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:47:12,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2024-11-13 21:47:12,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data/6cbb65d9c/f26e9f8b3e6b4dbcae48588e3d9905ad/FLAG48b795fcb [2024-11-13 21:47:12,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/data/6cbb65d9c/f26e9f8b3e6b4dbcae48588e3d9905ad [2024-11-13 21:47:12,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:47:12,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:47:12,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:12,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:47:12,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:47:12,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:12" (1/1) ... [2024-11-13 21:47:12,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3badbe1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:12, skipping insertion in model container [2024-11-13 21:47:12,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:12" (1/1) ... [2024-11-13 21:47:12,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:47:13,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:13,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:47:13,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:14,052 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:47:14,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14 WrapperNode [2024-11-13 21:47:14,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:14,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:14,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:47:14,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:47:14,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,128 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-13 21:47:14,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:14,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:47:14,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:47:14,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:47:14,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:47:14,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:47:14,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:47:14,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:47:14,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:14,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:47:14,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:47:14,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:47:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:47:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:47:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:47:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:47:14,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:47:14,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:47:14,586 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:47:14,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:47:14,658 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:47:14,659 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:47:14,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:14 BoogieIcfgContainer [2024-11-13 21:47:14,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:47:14,660 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:47:14,660 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:47:14,671 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:47:14,671 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:14" (1/1) ... [2024-11-13 21:47:14,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:47:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:47:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:47:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:47:14,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:14,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:14,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:47:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:15,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:47:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:15,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:47:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:15,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:47:15,220 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:47:15,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:47:15 ImpRootNode [2024-11-13 21:47:15,246 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:47:15,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:47:15,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:47:15,247 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:47:15,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:14" (3/4) ... [2024-11-13 21:47:15,251 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:47:15,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:47:15,253 INFO L158 Benchmark]: Toolchain (without parser) took 2521.38ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 78.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-13 21:47:15,253 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:15,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1318.43ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 76.2MB in the end (delta: 13.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 21:47:15,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.55ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:15,254 INFO L158 Benchmark]: Boogie Preprocessor took 47.22ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:15,255 INFO L158 Benchmark]: RCFGBuilder took 482.02ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 54.1MB in the end (delta: 17.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:47:15,255 INFO L158 Benchmark]: CodeCheck took 585.85ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 78.2MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:15,256 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 78.2MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:15,258 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] 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 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1318.43ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 76.2MB in the end (delta: 13.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.55ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.22ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.02ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 54.1MB in the end (delta: 17.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 585.85ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 78.2MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 78.2MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:47:15,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c30ff2-c233-4d53-90c7-145608469002/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