./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:04:17,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:04:17,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:04:17,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:04:17,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:04:17,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:04:17,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:04:17,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:04:17,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:04:17,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:04:17,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:04:17,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:04:17,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:04:17,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:04:17,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:04:17,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:04:17,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:04:17,619 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:04:17,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:04:17,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:04:17,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:04:17,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:04:17,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:04:17,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:04:17,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:04:17,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:04:17,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:04:17,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:04:17,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:04:17,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:04:17,621 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:04:17,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:04:17,621 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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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 -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2024-11-25 04:04:17,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:04:17,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:04:17,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:04:17,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:04:17,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:04:17,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-11-25 04:04:21,099 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/07c5dd147/b63c0a84bd464a6c88de5e94a991883b/FLAGe19e85f11 [2024-11-25 04:04:21,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:04:21,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-11-25 04:04:21,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/07c5dd147/b63c0a84bd464a6c88de5e94a991883b/FLAGe19e85f11 [2024-11-25 04:04:21,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/07c5dd147/b63c0a84bd464a6c88de5e94a991883b [2024-11-25 04:04:21,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:04:21,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:04:21,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:04:21,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:04:21,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:04:21,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:04:21" (1/1) ... [2024-11-25 04:04:21,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d84622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:21, skipping insertion in model container [2024-11-25 04:04:21,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:04:21" (1/1) ... [2024-11-25 04:04:21,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:04:22,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:04:22,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:04:22,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:04:22,878 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:04:22,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22 WrapperNode [2024-11-25 04:04:22,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:04:22,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:04:22,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:04:22,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:04:22,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,928 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-11-25 04:04:22,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:04:22,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:04:22,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:04:22,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:04:22,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,945 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:04:22,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:04:22,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:04:22,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:04:22,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:22" (1/1) ... [2024-11-25 04:04:22,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:04:22,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:04:22,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:04:23,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:04:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:04:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:04:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:04:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:04:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:04:23,190 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:04:23,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:04:23,421 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-25 04:04:23,422 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:04:23,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:04:23,696 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:04:23,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:23 BoogieIcfgContainer [2024-11-25 04:04:23,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:04:23,698 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:04:23,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:04:23,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:04:23,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:23" (1/1) ... [2024-11-25 04:04:23,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:04:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:04:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:04:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:04:23,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:04:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:24,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:04:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:24,369 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:04:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:24,419 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:04:24,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:04:24 ImpRootNode [2024-11-25 04:04:24,460 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:04:24,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:04:24,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:04:24,461 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:04:24,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:23" (3/4) ... [2024-11-25 04:04:24,467 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:04:24,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:04:24,468 INFO L158 Benchmark]: Toolchain (without parser) took 2842.64ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 60.2MB in the end (delta: 29.0MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-25 04:04:24,469 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:04:24,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1249.92ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 04:04:24,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.26ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:04:24,472 INFO L158 Benchmark]: Boogie Preprocessor took 29.18ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:04:24,473 INFO L158 Benchmark]: RCFGBuilder took 739.08ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 38.8MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:04:24,474 INFO L158 Benchmark]: CodeCheck took 761.80ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 61.0MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:04:24,475 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 776.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:04:24,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --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 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1249.92ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.26ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.18ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 739.08ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 38.8MB in the end (delta: 37.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 761.80ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 61.0MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 776.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:04:24,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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 b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:04:27,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:04:27,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:04:27,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:04:27,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:04:27,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:04:27,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:04:27,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:04:27,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:04:27,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:04:27,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:04:27,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:04:27,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:04:27,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:04:27,379 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:04:27,379 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:04:27,379 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:04:27,380 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:04:27,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:04:27,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:04:27,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:04:27,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:04:27,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:04:27,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:04:27,381 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:04:27,381 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:27,381 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:04:27,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:04:27,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:04:27,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:04:27,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:04:27,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:04:27,383 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:04:27,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:27,383 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:04:27,383 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_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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 -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2024-11-25 04:04:27,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:04:27,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:04:27,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:04:27,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:04:27,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:04:27,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-11-25 04:04:30,903 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/934501527/39d6aae87b8f4b21a6bf6ead4bb420eb/FLAG0bd8db301 [2024-11-25 04:04:31,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:04:31,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-11-25 04:04:31,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/934501527/39d6aae87b8f4b21a6bf6ead4bb420eb/FLAG0bd8db301 [2024-11-25 04:04:31,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/data/934501527/39d6aae87b8f4b21a6bf6ead4bb420eb [2024-11-25 04:04:31,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:04:31,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:04:31,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:04:31,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:04:31,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:04:31,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:04:31" (1/1) ... [2024-11-25 04:04:31,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11911b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:31, skipping insertion in model container [2024-11-25 04:04:31,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:04:31" (1/1) ... [2024-11-25 04:04:31,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:04:32,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:04:32,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:04:32,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:04:32,987 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:04:32,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32 WrapperNode [2024-11-25 04:04:32,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:04:32,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:04:32,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:04:32,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:04:32,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,072 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2024-11-25 04:04:33,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:04:33,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:04:33,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:04:33,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:04:33,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:04:33,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:04:33,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:04:33,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:04:33,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:32" (1/1) ... [2024-11-25 04:04:33,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:04:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:04:33,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:04:33,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:04:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:04:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:04:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:04:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:04:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:04:33,359 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:04:33,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:04:33,554 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-25 04:04:33,554 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:04:33,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:04:33,622 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:04:33,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:33 BoogieIcfgContainer [2024-11-25 04:04:33,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:04:33,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:04:33,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:04:33,635 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:04:33,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:33" (1/1) ... [2024-11-25 04:04:33,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:04:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:04:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:04:33,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:04:33,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:33,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:33,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:33,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:33,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:04:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:33,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:04:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:34,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:04:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:04:34,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:04:34,078 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:04:34,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:04:34 ImpRootNode [2024-11-25 04:04:34,118 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:04:34,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:04:34,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:04:34,120 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:04:34,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:33" (3/4) ... [2024-11-25 04:04:34,122 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:04:34,177 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 04:04:34,232 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:04:34,233 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:04:34,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:04:34,236 INFO L158 Benchmark]: Toolchain (without parser) took 2725.64ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 57.8MB in the beginning and 118.4MB in the end (delta: -60.6MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-25 04:04:34,237 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:04:34,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.23ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 57.5MB in the beginning and 161.1MB in the end (delta: -103.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-11-25 04:04:34,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.50ms. Allocated memory is still 192.9MB. Free memory was 161.1MB in the beginning and 158.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:04:34,238 INFO L158 Benchmark]: Boogie Preprocessor took 29.30ms. Allocated memory is still 192.9MB. Free memory was 158.6MB in the beginning and 156.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:04:34,240 INFO L158 Benchmark]: RCFGBuilder took 518.95ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 137.7MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:04:34,241 INFO L158 Benchmark]: CodeCheck took 494.41ms. Allocated memory is still 192.9MB. Free memory was 137.7MB in the beginning and 122.8MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:04:34,241 INFO L158 Benchmark]: Witness Printer took 113.91ms. Allocated memory is still 192.9MB. Free memory was 122.8MB in the beginning and 118.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:04:34,243 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1551]: 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.23ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 57.5MB in the beginning and 161.1MB in the end (delta: -103.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.50ms. Allocated memory is still 192.9MB. Free memory was 161.1MB in the beginning and 158.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.30ms. Allocated memory is still 192.9MB. Free memory was 158.6MB in the beginning and 156.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 518.95ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 137.7MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 494.41ms. Allocated memory is still 192.9MB. Free memory was 137.7MB in the beginning and 122.8MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 113.91ms. Allocated memory is still 192.9MB. Free memory was 122.8MB in the beginning and 118.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:04:34,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca3f48ff-802e-4acd-bd83-58edae0ba5e1/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)