./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_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_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/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_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/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_1db04079-1aa7-4086-bc51-39aed8997203/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 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:45:18,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:45:18,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:45:18,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:45:18,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:45:18,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:45:18,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:45:18,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:45:18,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:45:18,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:45:18,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:45:18,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:45:18,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:45:18,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:45:18,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:45:18,813 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:45:18,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:45:18,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:45:18,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:45:18,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:18,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:45:18,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:45:18,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:45:18,814 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:45:18,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:45:18,815 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_1db04079-1aa7-4086-bc51-39aed8997203/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 -> 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 [2024-12-05 22:45:19,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:45:19,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:45:19,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:45:19,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:45:19,140 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:45:19,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-12-05 22:45:22,715 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/a30c4c4db/68f16c3b90a8426d8a9dd7ee2a0e505d/FLAG9919a02ac [2024-12-05 22:45:23,083 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:45:23,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-12-05 22:45:23,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/a30c4c4db/68f16c3b90a8426d8a9dd7ee2a0e505d/FLAG9919a02ac [2024-12-05 22:45:23,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/a30c4c4db/68f16c3b90a8426d8a9dd7ee2a0e505d [2024-12-05 22:45:23,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:45:23,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:45:23,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:23,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:45:23,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:45:23,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:23" (1/1) ... [2024-12-05 22:45:23,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b08f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:23, skipping insertion in model container [2024-12-05 22:45:23,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:23" (1/1) ... [2024-12-05 22:45:23,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:45:24,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:24,076 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:45:24,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:24,259 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:45:24,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24 WrapperNode [2024-12-05 22:45:24,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:24,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:24,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:45:24,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:45:24,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,315 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-12-05 22:45:24,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:24,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:45:24,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:45:24,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:45:24,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:45:24,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:45:24,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:45:24,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:45:24,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:24,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:45:24,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:45:24,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:45:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:45:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:45:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:45:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:45:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:45:24,561 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:45:24,563 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:45:24,788 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-05 22:45:24,788 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:45:24,972 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:45:24,972 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:45:24,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:24 BoogieIcfgContainer [2024-12-05 22:45:24,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:45:24,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:45:24,974 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:45:24,985 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:45:24,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:24" (1/1) ... [2024-12-05 22:45:24,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:45:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:45:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:45:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:45:25,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:25,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:25,303 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:45:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:25,477 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:45:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:25,524 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:45:25,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:45:25 ImpRootNode [2024-12-05 22:45:25,556 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:45:25,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:45:25,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:45:25,557 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:45:25,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:24" (3/4) ... [2024-12-05 22:45:25,561 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:45:25,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:45:25,563 INFO L158 Benchmark]: Toolchain (without parser) took 2430.42ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 64.0MB in the end (delta: 25.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-12-05 22:45:25,563 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:25,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1125.99ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 81.4MB in the end (delta: 7.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-12-05 22:45:25,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.22ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:45:25,565 INFO L158 Benchmark]: Boogie Preprocessor took 27.58ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:25,565 INFO L158 Benchmark]: RCFGBuilder took 627.87ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 41.2MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:45:25,566 INFO L158 Benchmark]: CodeCheck took 582.60ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 64.0MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:25,566 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:25,569 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] 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] [L1559] 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 0.37ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1125.99ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 81.4MB in the end (delta: 7.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.22ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.58ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 627.87ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 41.2MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 582.60ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 64.0MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 64.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:45:25,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/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_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/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_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/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_1db04079-1aa7-4086-bc51-39aed8997203/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 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:45:28,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:45:28,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:45:28,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:45:28,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:45:28,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:45:28,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:45:28,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:45:28,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:45:28,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:45:28,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:45:28,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:45:28,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:45:28,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:45:28,261 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:45:28,261 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:45:28,261 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:45:28,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:45:28,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:45:28,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:45:28,262 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:45:28,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:45:28,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:45:28,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:45:28,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:45:28,262 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:28,262 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:45:28,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:45:28,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:28,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:45:28,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:45:28,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:45:28,263 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:45:28,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:28,263 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:45:28,264 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_1db04079-1aa7-4086-bc51-39aed8997203/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 -> 1961c4d1f9c145c1288b3656f173e58fdc3912fd4337f73fed3c3d72d011c676 [2024-12-05 22:45:28,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:45:28,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:45:28,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:45:28,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:45:28,606 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:45:28,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-12-05 22:45:31,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/1d8c2f664/45f2825966bd4d3385910ca1b70620f4/FLAGe8044a087 [2024-12-05 22:45:31,793 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:45:31,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_18_bad.i [2024-12-05 22:45:31,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/1d8c2f664/45f2825966bd4d3385910ca1b70620f4/FLAGe8044a087 [2024-12-05 22:45:31,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/data/1d8c2f664/45f2825966bd4d3385910ca1b70620f4 [2024-12-05 22:45:31,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:45:31,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:45:31,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:31,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:45:31,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:45:31,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:31" (1/1) ... [2024-12-05 22:45:31,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f7b4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:31, skipping insertion in model container [2024-12-05 22:45:31,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:31" (1/1) ... [2024-12-05 22:45:31,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:45:32,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:32,526 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:45:32,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:32,722 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:45:32,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32 WrapperNode [2024-12-05 22:45:32,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:32,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:32,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:45:32,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:45:32,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,765 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-12-05 22:45:32,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:32,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:45:32,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:45:32,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:45:32,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:45:32,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:45:32,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:45:32,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:45:32,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:32" (1/1) ... [2024-12-05 22:45:32,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:32,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:45:32,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:45:32,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:45:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:45:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:45:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:45:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:45:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:45:32,948 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:45:32,950 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:45:33,048 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-05 22:45:33,048 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:45:33,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:45:33,095 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:45:33,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:33 BoogieIcfgContainer [2024-12-05 22:45:33,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:45:33,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:45:33,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:45:33,104 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:45:33,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:33" (1/1) ... [2024-12-05 22:45:33,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:45:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:45:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:45:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:45:33,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:33,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:33,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:33,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:33,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:45:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:33,287 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:45:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:33,363 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:45:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:33,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:45:33,398 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:45:33,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:45:33 ImpRootNode [2024-12-05 22:45:33,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:45:33,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:45:33,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:45:33,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:45:33,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:33" (3/4) ... [2024-12-05 22:45:33,421 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:45:33,454 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 22:45:33,487 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:45:33,487 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:45:33,487 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:45:33,488 INFO L158 Benchmark]: Toolchain (without parser) took 1655.95ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 54.3MB in the end (delta: 12.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-05 22:45:33,488 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:33,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.89ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.8MB in the end (delta: 3.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-12-05 22:45:33,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.26ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:33,489 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 58.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:33,489 INFO L158 Benchmark]: RCFGBuilder took 306.96ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 41.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:45:33,490 INFO L158 Benchmark]: CodeCheck took 321.78ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 59.0MB in the end (delta: -17.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-12-05 22:45:33,490 INFO L158 Benchmark]: Witness Printer took 68.45ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 54.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:33,492 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: 0.3s, 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: 1559]: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) 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] [L1557] 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] [L1559] 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 0.56ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.89ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.8MB in the end (delta: 3.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.26ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 58.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.96ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 41.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 321.78ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 59.0MB in the end (delta: -17.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 68.45ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 54.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:45:33,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db04079-1aa7-4086-bc51-39aed8997203/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)