./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_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_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/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_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/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_a3dab723-2c43-4411-8b92-cdb6565e0cea/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 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:09:20,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:09:20,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:09:20,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:09:20,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:09:20,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:09:20,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:09:20,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:09:20,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:09:20,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:09:20,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:09:20,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:09:20,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:09:20,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:09:20,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:09:20,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:09:20,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:09:20,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:09:20,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:09:20,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:09:20,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:09:20,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:09:20,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:09:20,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:09:20,631 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_a3dab723-2c43-4411-8b92-cdb6565e0cea/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 -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2024-11-13 21:09:20,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:09:20,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:09:20,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:09:20,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:09:20,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:09:20,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i Unable to find full path for "g++" [2024-11-13 21:09:22,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:09:23,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:09:23,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-11-13 21:09:23,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data/e112fa50c/55378d86d0b6431dbd015573bebdcc51/FLAG47d03835a [2024-11-13 21:09:23,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data/e112fa50c/55378d86d0b6431dbd015573bebdcc51 [2024-11-13 21:09:23,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:09:23,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:09:23,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:09:23,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:09:23,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:09:23,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:09:23" (1/1) ... [2024-11-13 21:09:23,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a07286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:23, skipping insertion in model container [2024-11-13 21:09:23,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:09:23" (1/1) ... [2024-11-13 21:09:23,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:09:24,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:09:24,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:09:24,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:09:24,713 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:09:24,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24 WrapperNode [2024-11-13 21:09:24,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:09:24,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:09:24,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:09:24,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:09:24,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,792 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2024-11-13 21:09:24,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:09:24,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:09:24,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:09:24,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:09:24,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:09:24,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:09:24,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:09:24,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:09:24,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:24" (1/1) ... [2024-11-13 21:09:24,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:09:24,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:09:24,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:09:24,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:09:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:09:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:09:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:09:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:09:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:09:25,098 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:09:25,100 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:09:25,353 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-13 21:09:25,355 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:09:25,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:09:25,624 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:09:25,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:25 BoogieIcfgContainer [2024-11-13 21:09:25,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:09:25,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:09:25,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:09:25,636 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:09:25,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:25" (1/1) ... [2024-11-13 21:09:25,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:09:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:09:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:09:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:09:25,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:25,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:09:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:26,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:09:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:26,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:09:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:26,366 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:09:26,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:09:26 ImpRootNode [2024-11-13 21:09:26,403 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:09:26,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:09:26,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:09:26,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:09:26,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:25" (3/4) ... [2024-11-13 21:09:26,408 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:09:26,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:09:26,410 INFO L158 Benchmark]: Toolchain (without parser) took 3053.10ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 48.6MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:09:26,411 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:26,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1355.94ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 81.2MB in the end (delta: 8.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:09:26,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.08ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:09:26,415 INFO L158 Benchmark]: Boogie Preprocessor took 41.24ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:26,415 INFO L158 Benchmark]: RCFGBuilder took 788.42ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 39.5MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:09:26,416 INFO L158 Benchmark]: CodeCheck took 777.24ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 49.4MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:26,416 INFO L158 Benchmark]: Witness Printer took 6.15ms. Allocated memory is still 117.4MB. Free memory was 49.4MB in the beginning and 48.6MB in the end (delta: 792.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:26,418 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1552]: 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 1567, overapproximation of bitwiseOr at line 1561. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 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] [L1552] data * 2 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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1355.94ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 81.2MB in the end (delta: 8.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.08ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.24ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 788.42ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 39.5MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 777.24ms. Allocated memory is still 117.4MB. Free memory was 39.5MB in the beginning and 49.4MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.15ms. Allocated memory is still 117.4MB. Free memory was 49.4MB in the beginning and 48.6MB in the end (delta: 792.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:09:26,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/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_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/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_a3dab723-2c43-4411-8b92-cdb6565e0cea/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 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:09:29,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:09:29,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:09:29,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:09:29,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:09:29,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:09:29,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:09:29,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:09:29,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:09:29,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:09:29,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:09:29,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:09:29,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:09:29,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:09:29,321 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:09:29,321 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:09:29,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:09:29,321 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:09:29,321 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:09:29,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:09:29,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:09:29,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:09:29,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:09:29,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:09:29,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:09:29,322 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:29,322 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:09:29,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:09:29,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:09:29,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:09:29,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:09:29,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:09:29,323 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:09:29,323 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:29,324 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:09:29,324 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_a3dab723-2c43-4411-8b92-cdb6565e0cea/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 -> 26c5f8f9a74fbc25cae071c3d700ef56d42b58959b621010c657fe43468f127f [2024-11-13 21:09:29,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:09:29,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:09:29,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:09:29,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:09:29,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:09:29,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i Unable to find full path for "g++" [2024-11-13 21:09:31,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:09:32,145 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:09:32,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_bad.i [2024-11-13 21:09:32,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data/46b5b24c5/24f7b1addba14e28b6f45072c9b7cac9/FLAG1665b8482 [2024-11-13 21:09:32,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/data/46b5b24c5/24f7b1addba14e28b6f45072c9b7cac9 [2024-11-13 21:09:32,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:09:32,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:09:32,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:09:32,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:09:32,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:09:32,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:09:32" (1/1) ... [2024-11-13 21:09:32,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3294e71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:32, skipping insertion in model container [2024-11-13 21:09:32,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:09:32" (1/1) ... [2024-11-13 21:09:32,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:09:33,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:09:33,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:09:33,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:09:33,556 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:09:33,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33 WrapperNode [2024-11-13 21:09:33,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:09:33,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:09:33,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:09:33,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:09:33,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,617 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-11-13 21:09:33,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:09:33,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:09:33,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:09:33,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:09:33,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:09:33,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:09:33,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:09:33,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:09:33,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:09:33" (1/1) ... [2024-11-13 21:09:33,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:09:33,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:09:33,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:09:33,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:09:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:09:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:09:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:09:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:09:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:09:33,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:09:33,886 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:09:34,063 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-13 21:09:34,064 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:09:34,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:09:34,157 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:09:34,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:34 BoogieIcfgContainer [2024-11-13 21:09:34,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:09:34,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:09:34,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:09:34,172 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:09:34,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:34" (1/1) ... [2024-11-13 21:09:34,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:09:34,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:09:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:09:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:09:34,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:34,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:34,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:34,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:34,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:09:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:34,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:09:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:34,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:09:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:09:34,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:09:34,632 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:09:34,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:09:34 ImpRootNode [2024-11-13 21:09:34,662 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:09:34,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:09:34,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:09:34,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:09:34,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:09:34" (3/4) ... [2024-11-13 21:09:34,669 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:09:34,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:09:34,671 INFO L158 Benchmark]: Toolchain (without parser) took 2472.72ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 40.6MB in the end (delta: 33.0MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-13 21:09:34,672 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:34,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1355.52ms. Allocated memory is still 100.7MB. Free memory was 73.3MB in the beginning and 45.3MB in the end (delta: 28.0MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-13 21:09:34,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.29ms. Allocated memory is still 100.7MB. Free memory was 45.3MB in the beginning and 42.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:34,676 INFO L158 Benchmark]: Boogie Preprocessor took 28.34ms. Allocated memory is still 100.7MB. Free memory was 42.8MB in the beginning and 41.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:34,677 INFO L158 Benchmark]: RCFGBuilder took 510.31ms. Allocated memory is still 100.7MB. Free memory was 41.1MB in the beginning and 54.7MB in the end (delta: -13.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-13 21:09:34,677 INFO L158 Benchmark]: CodeCheck took 503.91ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 41.1MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:09:34,677 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 100.7MB. Free memory was 41.1MB in the beginning and 40.6MB in the end (delta: 494.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:09:34,684 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1552]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1355.52ms. Allocated memory is still 100.7MB. Free memory was 73.3MB in the beginning and 45.3MB in the end (delta: 28.0MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.29ms. Allocated memory is still 100.7MB. Free memory was 45.3MB in the beginning and 42.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.34ms. Allocated memory is still 100.7MB. Free memory was 42.8MB in the beginning and 41.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 510.31ms. Allocated memory is still 100.7MB. Free memory was 41.1MB in the beginning and 54.7MB in the end (delta: -13.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 503.91ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 41.1MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 100.7MB. Free memory was 41.1MB in the beginning and 40.6MB in the end (delta: 494.7kB). 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 21:09:34,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3dab723-2c43-4411-8b92-cdb6565e0cea/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