./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b --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 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:25:30,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:25:31,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:25:31,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:25:31,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:25:31,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:25:31,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:25:31,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:25:31,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:25:31,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:25:31,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:25:31,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:25:31,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:25:31,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:25:31,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:25:31,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:25:31,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:25:31,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:31,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:25:31,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:25:31,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:25:31,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:25:31,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:25:31,031 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_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b 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 -> 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 [2024-12-06 03:25:31,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:25:31,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:25:31,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:25:31,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:25:31,252 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:25:31,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2024-12-06 03:25:33,851 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/8f31610ae/00f0343bedb8426cbdb878d72685f695/FLAG1cbb52112 [2024-12-06 03:25:34,196 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:25:34,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2024-12-06 03:25:34,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/8f31610ae/00f0343bedb8426cbdb878d72685f695/FLAG1cbb52112 [2024-12-06 03:25:34,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/8f31610ae/00f0343bedb8426cbdb878d72685f695 [2024-12-06 03:25:34,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:25:34,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:25:34,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:34,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:25:34,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:25:34,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:34" (1/1) ... [2024-12-06 03:25:34,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be0927e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:34, skipping insertion in model container [2024-12-06 03:25:34,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:34" (1/1) ... [2024-12-06 03:25:34,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:25:35,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:35,112 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:25:35,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:35,282 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:25:35,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35 WrapperNode [2024-12-06 03:25:35,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:35,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:35,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:25:35,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:25:35,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,329 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-12-06 03:25:35,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:35,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:25:35,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:25:35,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:25:35,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,343 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:25:35,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:25:35,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:25:35,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:25:35,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:35,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:25:35,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:25:35,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:25:35,517 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:25:35,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:25:35,710 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-12-06 03:25:35,710 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:25:35,870 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:25:35,870 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:25:35,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:35 BoogieIcfgContainer [2024-12-06 03:25:35,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:25:35,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:25:35,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:25:35,881 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:25:35,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:35" (1/1) ... [2024-12-06 03:25:35,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:25:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:25:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:25:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:25:35,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:35,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:25:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:36,225 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:25:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:36,379 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:25:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:36,425 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:25:36,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:25:36 ImpRootNode [2024-12-06 03:25:36,449 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:25:36,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:25:36,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:25:36,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:25:36,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:35" (3/4) ... [2024-12-06 03:25:36,453 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:25:36,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:25:36,455 INFO L158 Benchmark]: Toolchain (without parser) took 2014.38ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 72.3MB in the end (delta: 40.9MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-12-06 03:25:36,456 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:36,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.37ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 53.7MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:25:36,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.60ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.4MB in the end (delta: -58.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-12-06 03:25:36,457 INFO L158 Benchmark]: Boogie Preprocessor took 20.93ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 111.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:36,457 INFO L158 Benchmark]: RCFGBuilder took 519.60ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 72.5MB in the end (delta: 38.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:25:36,458 INFO L158 Benchmark]: CodeCheck took 577.83ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 73.1MB in the end (delta: -569.6kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-12-06 03:25:36,458 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 72.3MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:36,460 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: 0.5s, 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, 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] 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] [L1563] 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.37ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 53.7MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.60ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.4MB in the end (delta: -58.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.93ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 111.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.60ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 72.5MB in the end (delta: 38.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 577.83ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 73.1MB in the end (delta: -569.6kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 72.3MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:25:36,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/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_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b --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 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:25:38,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:25:38,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:25:38,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:25:38,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:25:38,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:25:38,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:25:38,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:25:38,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:25:38,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:25:38,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:25:38,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:38,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:25:38,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:25:38,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:25:38,541 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:25:38,541 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:38,541 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:25:38,541 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_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b 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 -> 340f59e4515667f8e386930d5319cbf69056d5a25b0b538a3ac639fb061df2a8 [2024-12-06 03:25:38,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:25:38,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:25:38,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:25:38,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:25:38,792 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:25:38,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2024-12-06 03:25:41,454 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/1a14b4f00/d1aa0d24e11349aba7dde6214aec8faa/FLAG356b747f5 [2024-12-06 03:25:41,734 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:25:41,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_32_bad.i [2024-12-06 03:25:41,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/1a14b4f00/d1aa0d24e11349aba7dde6214aec8faa/FLAG356b747f5 [2024-12-06 03:25:42,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/data/1a14b4f00/d1aa0d24e11349aba7dde6214aec8faa [2024-12-06 03:25:42,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:25:42,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:25:42,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:42,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:25:42,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:25:42,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7390cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42, skipping insertion in model container [2024-12-06 03:25:42,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:25:42,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:42,686 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:25:42,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:25:42,885 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:25:42,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42 WrapperNode [2024-12-06 03:25:42,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:25:42,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:42,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:25:42,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:25:42,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,926 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-12-06 03:25:42,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:25:42,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:25:42,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:25:42,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:25:42,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,944 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:25:42,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:25:42,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:25:42,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:25:42,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:25:42" (1/1) ... [2024-12-06 03:25:42,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:25:42,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:25:42,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:25:42,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:25:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:25:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:25:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:25:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:25:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:25:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:25:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:25:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:25:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 03:25:43,138 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:25:43,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:25:43,275 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-06 03:25:43,275 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:25:43,336 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:25:43,336 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:25:43,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:43 BoogieIcfgContainer [2024-12-06 03:25:43,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:25:43,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:25:43,337 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:25:43,345 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:25:43,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:43" (1/1) ... [2024-12-06 03:25:43,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:25:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:25:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:25:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:25:43,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:43,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:43,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:43,390 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:43,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:25:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:43,573 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:25:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:43,741 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:25:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:25:43,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:25:43,808 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:25:43,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:25:43 ImpRootNode [2024-12-06 03:25:43,832 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:25:43,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:25:43,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:25:43,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:25:43,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:25:43" (3/4) ... [2024-12-06 03:25:43,835 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:25:43,869 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 03:25:43,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:25:43,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:25:43,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:25:43,911 INFO L158 Benchmark]: Toolchain (without parser) took 1901.37ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.2MB in the beginning and 98.5MB in the end (delta: -32.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-06 03:25:43,912 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:43,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.45ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 63.0MB in the end (delta: 3.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 03:25:43,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.42ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:43,913 INFO L158 Benchmark]: Boogie Preprocessor took 24.21ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:43,913 INFO L158 Benchmark]: RCFGBuilder took 384.73ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 39.8MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:25:43,913 INFO L158 Benchmark]: CodeCheck took 495.44ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.8MB in the beginning and 103.4MB in the end (delta: -63.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:43,914 INFO L158 Benchmark]: Witness Printer took 77.24ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 98.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:25:43,915 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: 0.5s, 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, 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1563]: integer overflow possible integer overflow possible We found a 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] 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] [L1563] 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.45ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 63.0MB in the end (delta: 3.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.42ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.21ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 58.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.73ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 39.8MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 495.44ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 39.8MB in the beginning and 103.4MB in the end (delta: -63.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.24ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 98.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:25:43,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24671402-b010-4c7e-ac14-cb49f335f574/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)