./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_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_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3 --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 a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:21:37,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:21:37,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:21:37,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:21:37,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:21:37,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:21:37,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:21:37,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:21:37,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:21:37,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:21:37,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:21:37,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:21:37,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:21:37,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:21:37,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:21:37,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:21:37,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:21:37,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:21:37,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:21:37,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:21:37,466 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:21:37,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:21:37,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:21:37,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:21:37,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:21:37,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:21:37,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:37,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:21:37,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:21:37,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:21:37,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:21:37,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:21:37,467 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_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3 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 -> a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb [2024-11-24 18:21:37,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:21:37,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:21:37,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:21:37,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:21:37,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:21:37,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2024-11-24 18:21:40,804 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/195b2c672/f41a875a23bb456a9dc168fa5b8c9b22/FLAG04e437381 [2024-11-24 18:21:41,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:21:41,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2024-11-24 18:21:41,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/195b2c672/f41a875a23bb456a9dc168fa5b8c9b22/FLAG04e437381 [2024-11-24 18:21:41,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/195b2c672/f41a875a23bb456a9dc168fa5b8c9b22 [2024-11-24 18:21:41,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:21:41,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:21:41,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:41,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:21:41,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:21:41,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:41" (1/1) ... [2024-11-24 18:21:41,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc97bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:41, skipping insertion in model container [2024-11-24 18:21:41,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:41" (1/1) ... [2024-11-24 18:21:41,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:21:42,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:42,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:21:42,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:42,726 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:21:42,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42 WrapperNode [2024-11-24 18:21:42,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:42,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:42,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:21:42,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:21:42,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,798 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-11-24 18:21:42,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:42,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:21:42,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:21:42,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:21:42,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:21:42,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:21:42,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:21:42,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:21:42,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:42" (1/1) ... [2024-11-24 18:21:42,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:42,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:21:42,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:21:42,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:21:42,923 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:21:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:21:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:21:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:21:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:21:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:21:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:21:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:21:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:21:43,095 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:21:43,097 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:21:43,332 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-24 18:21:43,333 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:21:43,596 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:21:43,596 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:21:43,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:43 BoogieIcfgContainer [2024-11-24 18:21:43,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:21:43,598 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:21:43,598 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:21:43,607 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:21:43,608 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:43" (1/1) ... [2024-11-24 18:21:43,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:21:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:21:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:21:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:21:43,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:44,033 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:44,336 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:44,396 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:21:44,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:21:44 ImpRootNode [2024-11-24 18:21:44,440 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:21:44,441 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:21:44,441 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:21:44,442 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:21:44,443 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:43" (3/4) ... [2024-11-24 18:21:44,445 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:21:44,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:21:44,448 INFO L158 Benchmark]: Toolchain (without parser) took 3132.50ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 88.9MB in the end (delta: 9.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-24 18:21:44,451 INFO L158 Benchmark]: CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:44,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1410.00ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 37.8MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-24 18:21:44,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.70ms. Allocated memory is still 142.6MB. Free memory was 37.8MB in the beginning and 35.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:21:44,452 INFO L158 Benchmark]: Boogie Preprocessor took 47.33ms. Allocated memory is still 142.6MB. Free memory was 35.0MB in the beginning and 33.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:44,453 INFO L158 Benchmark]: RCFGBuilder took 749.51ms. Allocated memory is still 142.6MB. Free memory was 33.7MB in the beginning and 61.5MB in the end (delta: -27.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-24 18:21:44,453 INFO L158 Benchmark]: CodeCheck took 842.87ms. Allocated memory is still 142.6MB. Free memory was 61.5MB in the beginning and 89.0MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:44,455 INFO L158 Benchmark]: Witness Printer took 6.25ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:44,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1410.00ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 37.8MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.70ms. Allocated memory is still 142.6MB. Free memory was 37.8MB in the beginning and 35.0MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.33ms. Allocated memory is still 142.6MB. Free memory was 35.0MB in the beginning and 33.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 749.51ms. Allocated memory is still 142.6MB. Free memory was 33.7MB in the beginning and 61.5MB in the end (delta: -27.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 842.87ms. Allocated memory is still 142.6MB. Free memory was 61.5MB in the beginning and 89.0MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.25ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 88.9MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:21:44,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/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_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3 --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 a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:21:47,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:21:47,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:21:47,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:21:47,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:21:47,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:21:47,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:21:47,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:21:47,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:21:47,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:21:47,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:21:47,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:21:47,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:21:47,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:21:47,865 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:21:47,865 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:21:47,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:21:47,867 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:21:47,867 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:21:47,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:21:47,867 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:21:47,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:21:47,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:21:47,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:21:47,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:21:47,868 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:47,868 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:21:47,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:21:47,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:47,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:21:47,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:21:47,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:21:47,869 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:21:47,869 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:47,869 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:21:47,869 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_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3 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 -> a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb [2024-11-24 18:21:48,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:21:48,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:21:48,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:21:48,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:21:48,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:21:48,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2024-11-24 18:21:51,651 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/ff11e0c0c/b8a51faf25b341b6a44adda5f54b4889/FLAG6818d1b0a [2024-11-24 18:21:52,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:21:52,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2024-11-24 18:21:52,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/ff11e0c0c/b8a51faf25b341b6a44adda5f54b4889/FLAG6818d1b0a [2024-11-24 18:21:52,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/data/ff11e0c0c/b8a51faf25b341b6a44adda5f54b4889 [2024-11-24 18:21:52,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:21:52,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:21:52,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:52,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:21:52,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:21:52,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:52" (1/1) ... [2024-11-24 18:21:52,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d797db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:52, skipping insertion in model container [2024-11-24 18:21:52,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:52" (1/1) ... [2024-11-24 18:21:52,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:21:53,448 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:21:53,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:53,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:21:53,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:53,799 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:21:53,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53 WrapperNode [2024-11-24 18:21:53,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:53,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:53,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:21:53,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:21:53,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,888 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-24 18:21:53,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:53,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:21:53,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:21:53,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:21:53,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,927 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:21:53,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:21:53,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:21:53,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:21:53,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:21:54,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:21:54,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:21:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:21:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:21:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:21:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:21:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:21:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:21:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:21:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:21:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:21:54,277 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:21:54,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:21:54,485 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-24 18:21:54,485 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:21:54,604 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:21:54,604 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:21:54,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:54 BoogieIcfgContainer [2024-11-24 18:21:54,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:21:54,606 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:21:54,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:21:54,617 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:21:54,617 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:21:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:21:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:21:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:21:54,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:54,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:54,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:54,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:54,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:21:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:54,950 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:55,154 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:55,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:21:55,244 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:21:55,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:21:55 ImpRootNode [2024-11-24 18:21:55,279 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:21:55,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:21:55,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:21:55,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:21:55,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:54" (3/4) ... [2024-11-24 18:21:55,282 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:21:55,344 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-24 18:21:55,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:21:55,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:21:55,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:21:55,405 INFO L158 Benchmark]: Toolchain (without parser) took 3088.75ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.3MB in the beginning and 205.1MB in the end (delta: -115.8MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-24 18:21:55,406 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:55,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1485.13ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 66.8MB in the end (delta: 22.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-24 18:21:55,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.63ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:55,407 INFO L158 Benchmark]: Boogie Preprocessor took 61.08ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:55,407 INFO L158 Benchmark]: RCFGBuilder took 651.91ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 43.1MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 18:21:55,407 INFO L158 Benchmark]: CodeCheck took 673.54ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 43.1MB in the beginning and 210.4MB in the end (delta: -167.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:55,408 INFO L158 Benchmark]: Witness Printer took 121.60ms. Allocated memory is still 251.7MB. Free memory was 209.7MB in the beginning and 205.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:55,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1569]: 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --data 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1485.13ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 66.8MB in the end (delta: 22.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.63ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.08ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 651.91ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 43.1MB in the end (delta: 19.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 673.54ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 43.1MB in the beginning and 210.4MB in the end (delta: -167.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 121.60ms. Allocated memory is still 251.7MB. Free memory was 209.7MB in the beginning and 205.1MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:21:55,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1455fe86-3e9b-458b-9b48-11433ead3d20/bin/ukojak-verify-ENZ3QT5qd3/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)