./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_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_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:12:32,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:12:32,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:12:32,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:12:32,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:12:32,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:12:32,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:12:32,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:12:32,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:12:32,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:12:32,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:12:32,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:12:32,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:12:32,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:12:32,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:12:32,743 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:12:32,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:12:32,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:12:32,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:32,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:12:32,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:12:32,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:12:32,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:12:32,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:12:32,744 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_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2024-12-06 03:12:32,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:12:32,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:12:32,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:12:32,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:12:32,996 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:12:32,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-12-06 03:12:35,677 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/52d8205ba/8045dca9447549ca8f713818ea77a466/FLAG5ad48e6dd [2024-12-06 03:12:35,986 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:12:35,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-12-06 03:12:36,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/52d8205ba/8045dca9447549ca8f713818ea77a466/FLAG5ad48e6dd [2024-12-06 03:12:36,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/52d8205ba/8045dca9447549ca8f713818ea77a466 [2024-12-06 03:12:36,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:12:36,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:12:36,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:36,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:12:36,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:12:36,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a6def3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36, skipping insertion in model container [2024-12-06 03:12:36,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:12:36,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:36,731 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:12:36,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:36,908 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:12:36,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36 WrapperNode [2024-12-06 03:12:36,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:36,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:36,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:12:36,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:12:36,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,959 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-12-06 03:12:36,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:36,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:12:36,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:12:36,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:12:36,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:12:36,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:12:36,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:12:36,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:12:36,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:36" (1/1) ... [2024-12-06 03:12:36,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:36,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:12:37,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:12:37,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:12:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:12:37,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:12:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:12:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:12:37,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:12:37,146 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:12:37,148 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:12:37,321 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 03:12:37,321 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:12:37,503 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:12:37,504 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:12:37,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:37 BoogieIcfgContainer [2024-12-06 03:12:37,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:12:37,505 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:12:37,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:12:37,514 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:12:37,514 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:37" (1/1) ... [2024-12-06 03:12:37,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:12:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:12:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:12:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:12:37,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:37,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:37,771 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:37,892 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:37,935 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:12:37,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:12:37 ImpRootNode [2024-12-06 03:12:37,955 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:12:37,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:12:37,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:12:37,956 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:12:37,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:37" (3/4) ... [2024-12-06 03:12:37,959 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:12:37,960 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:12:37,961 INFO L158 Benchmark]: Toolchain (without parser) took 1935.71ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 93.1MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:12:37,961 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:37,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 882.57ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 03:12:37,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.29ms. Allocated memory is still 142.6MB. Free memory was 53.8MB in the beginning and 112.7MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 03:12:37,962 INFO L158 Benchmark]: Boogie Preprocessor took 19.76ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 111.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:37,963 INFO L158 Benchmark]: RCFGBuilder took 523.81ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 70.4MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:12:37,963 INFO L158 Benchmark]: CodeCheck took 450.63ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 93.2MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:37,963 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:37,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) [L1559] 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 882.57ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 54.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.29ms. Allocated memory is still 142.6MB. Free memory was 53.8MB in the beginning and 112.7MB in the end (delta: -58.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.76ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 111.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 523.81ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 70.4MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 450.63ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 93.2MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:12:37,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:12:39,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:12:39,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:12:39,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:12:40,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:12:40,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:12:40,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:12:40,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:12:40,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:12:40,001 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:12:40,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:12:40,002 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:12:40,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:12:40,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:12:40,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:12:40,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:12:40,002 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:12:40,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:12:40,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:40,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:40,003 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:12:40,004 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_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9dd062103fb576d389560f1e36922dffcc95efe78dee0fd9cdcf8b4a46a2c3 [2024-12-06 03:12:40,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:12:40,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:12:40,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:12:40,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:12:40,236 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:12:40,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-12-06 03:12:42,838 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/cb9efeaed/7e43e9c790984a089a92760da20402f8/FLAG64b6915bc [2024-12-06 03:12:43,174 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:12:43,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_10_bad.i [2024-12-06 03:12:43,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/cb9efeaed/7e43e9c790984a089a92760da20402f8/FLAG64b6915bc [2024-12-06 03:12:43,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/data/cb9efeaed/7e43e9c790984a089a92760da20402f8 [2024-12-06 03:12:43,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:12:43,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:12:43,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:43,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:12:43,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:12:43,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:43" (1/1) ... [2024-12-06 03:12:43,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc2ac0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:43, skipping insertion in model container [2024-12-06 03:12:43,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:43" (1/1) ... [2024-12-06 03:12:43,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:12:44,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:44,069 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:12:44,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:44,265 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:12:44,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44 WrapperNode [2024-12-06 03:12:44,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:44,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:44,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:12:44,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:12:44,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,307 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-12-06 03:12:44,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:44,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:12:44,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:12:44,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:12:44,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,326 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:12:44,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:12:44,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:12:44,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:12:44,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:44,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:12:44,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:12:44,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:12:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:12:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:12:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:12:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:12:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:12:44,522 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:12:44,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:12:44,631 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 03:12:44,632 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:12:44,693 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:12:44,693 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:12:44,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:44 BoogieIcfgContainer [2024-12-06 03:12:44,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:12:44,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:12:44,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:12:44,706 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:12:44,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:44" (1/1) ... [2024-12-06 03:12:44,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:12:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:44,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 03:12:44,752 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 03:12:44,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:12:44,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:44,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:12:44,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:12:44,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:12:44,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:12:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:44,898 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:44,998 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:12:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:12:45,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:12:45,033 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:12:45,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:12:45 ImpRootNode [2024-12-06 03:12:45,054 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:12:45,055 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:12:45,055 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:12:45,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:12:45,056 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:44" (3/4) ... [2024-12-06 03:12:45,056 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:12:45,090 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 03:12:45,125 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:12:45,125 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:12:45,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:12:45,126 INFO L158 Benchmark]: Toolchain (without parser) took 1699.64ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 52.3MB in the end (delta: 14.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-12-06 03:12:45,127 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. [2024-12-06 03:12:45,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 838.74ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 03:12:45,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.57ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:45,128 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 59.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:45,128 INFO L158 Benchmark]: RCFGBuilder took 358.40ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 40.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:12:45,128 INFO L158 Benchmark]: CodeCheck took 358.51ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 57.3MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:12:45,128 INFO L158 Benchmark]: Witness Printer took 70.89ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 52.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:12:45,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) [L1559] 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 838.74ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.57ms. Allocated memory is still 92.3MB. Free memory was 63.2MB in the beginning and 60.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 59.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.40ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 40.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 358.51ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 57.3MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.89ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 52.3MB 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! [2024-12-06 03:12:45,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1377c6-5a20-48c5-af3b-6171f9dd1fcd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)