./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_05_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_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/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_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/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_dbfa9152-7628-4bee-9909-76d8868834b7/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 dc45446ef937b528e8e188f7d19f6fcadcf3bcbf2727a6d12f44743b423173a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:02:16,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:02:16,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:02:16,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:02:16,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:02:16,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:02:16,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:02:16,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:02:16,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:02:16,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:02:16,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:02:16,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:02:16,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:02:16,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:02:16,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:02:16,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:02:16,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:02:16,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:16,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:02:16,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:02:16,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:02:16,925 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:02:16,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:02:16,926 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_dbfa9152-7628-4bee-9909-76d8868834b7/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 -> dc45446ef937b528e8e188f7d19f6fcadcf3bcbf2727a6d12f44743b423173a5 [2024-11-25 02:02:17,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:02:17,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:02:17,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:02:17,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:02:17,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:02:17,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_05_bad.i [2024-11-25 02:02:20,272 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/092b8e0a6/a60ef25198d34b71b41eff53f545ba80/FLAGaa0c3651e [2024-11-25 02:02:20,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:02:20,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_05_bad.i [2024-11-25 02:02:20,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/092b8e0a6/a60ef25198d34b71b41eff53f545ba80/FLAGaa0c3651e [2024-11-25 02:02:20,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/092b8e0a6/a60ef25198d34b71b41eff53f545ba80 [2024-11-25 02:02:20,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:02:20,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:02:20,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:20,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:02:20,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:02:20,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:20" (1/1) ... [2024-11-25 02:02:20,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f131bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:20, skipping insertion in model container [2024-11-25 02:02:20,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:20" (1/1) ... [2024-11-25 02:02:20,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:02:21,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:21,973 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:02:22,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:22,236 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:02:22,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22 WrapperNode [2024-11-25 02:02:22,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:22,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:22,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:02:22,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:02:22,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,297 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-25 02:02:22,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:22,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:02:22,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:02:22,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:02:22,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,316 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:02:22,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:02:22,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:02:22,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:02:22,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:22" (1/1) ... [2024-11-25 02:02:22,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:22,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:02:22,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:02:22,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:02:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:02:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:02:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:02:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:02:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:02:22,559 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:02:22,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:02:22,849 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 02:02:22,849 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:02:23,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:02:23,211 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:02:23,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:23 BoogieIcfgContainer [2024-11-25 02:02:23,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:02:23,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:02:23,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:02:23,222 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:02:23,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:23" (1/1) ... [2024-11-25 02:02:23,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:02:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:02:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:02:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:23,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:23,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:02:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:23,645 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:23,858 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:23,917 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:02:23,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:02:23 ImpRootNode [2024-11-25 02:02:23,955 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:02:23,956 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:02:23,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:02:23,956 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:02:23,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:23" (3/4) ... [2024-11-25 02:02:23,961 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:02:23,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:02:23,964 INFO L158 Benchmark]: Toolchain (without parser) took 3096.25ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 63.8MB in the end (delta: 26.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-25 02:02:23,965 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:23,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1366.73ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.6MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:02:23,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.33ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:02:23,968 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:23,968 INFO L158 Benchmark]: RCFGBuilder took 885.15ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 36.9MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:02:23,969 INFO L158 Benchmark]: CodeCheck took 743.52ms. Allocated memory is still 117.4MB. Free memory was 36.9MB in the beginning and 63.8MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:23,969 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:23,975 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: 0.7s, 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, 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1569] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFalse=0, staticTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1366.73ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.6MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.33ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 885.15ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 36.9MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 743.52ms. Allocated memory is still 117.4MB. Free memory was 36.9MB in the beginning and 63.8MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:02:24,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/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_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/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_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/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_dbfa9152-7628-4bee-9909-76d8868834b7/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 dc45446ef937b528e8e188f7d19f6fcadcf3bcbf2727a6d12f44743b423173a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:02:26,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:02:26,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:02:26,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:02:26,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:02:26,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:02:26,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:02:26,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:02:26,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:02:26,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:02:26,868 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:02:26,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:02:26,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:02:26,869 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:02:26,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:02:26,869 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:26,869 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:02:26,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:02:26,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:26,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:02:26,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:02:26,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:02:26,874 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:02:26,874 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:26,874 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:02:26,875 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_dbfa9152-7628-4bee-9909-76d8868834b7/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 -> dc45446ef937b528e8e188f7d19f6fcadcf3bcbf2727a6d12f44743b423173a5 [2024-11-25 02:02:27,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:02:27,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:02:27,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:02:27,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:02:27,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:02:27,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_05_bad.i [2024-11-25 02:02:30,414 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/e0d027706/b274da2f987c4ecc9f2cd9a1e4775744/FLAG841641559 [2024-11-25 02:02:30,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:02:30,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_05_bad.i [2024-11-25 02:02:31,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/e0d027706/b274da2f987c4ecc9f2cd9a1e4775744/FLAG841641559 [2024-11-25 02:02:31,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/data/e0d027706/b274da2f987c4ecc9f2cd9a1e4775744 [2024-11-25 02:02:31,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:02:31,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:02:31,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:31,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:02:31,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:02:31,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:31" (1/1) ... [2024-11-25 02:02:31,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec0c955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:31, skipping insertion in model container [2024-11-25 02:02:31,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:02:31" (1/1) ... [2024-11-25 02:02:31,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:02:32,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:32,762 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:02:32,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:02:33,195 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:02:33,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33 WrapperNode [2024-11-25 02:02:33,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:02:33,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:33,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:02:33,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:02:33,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,253 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-11-25 02:02:33,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:02:33,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:02:33,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:02:33,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:02:33,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,303 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:02:33,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:02:33,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:02:33,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:02:33,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:02:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:02:33,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:02:33,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:02:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:02:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:02:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:02:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:02:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:02:33,624 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:02:33,625 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:02:33,797 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 02:02:33,798 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:02:33,913 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:02:33,915 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:02:33,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:33 BoogieIcfgContainer [2024-11-25 02:02:33,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:02:33,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:02:33,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:02:33,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:02:33,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:33" (1/1) ... [2024-11-25 02:02:33,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:02:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 02:02:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 02:02:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:02:33,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:33,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:33,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:33,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:33,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:02:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:34,205 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:34,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:02:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:02:34,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:02:34,444 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:02:34,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:02:34 ImpRootNode [2024-11-25 02:02:34,489 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:02:34,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:02:34,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:02:34,491 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:02:34,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:02:33" (3/4) ... [2024-11-25 02:02:34,492 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:02:34,558 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 02:02:34,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:02:34,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:02:34,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:02:34,628 INFO L158 Benchmark]: Toolchain (without parser) took 3113.67ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 76.7MB in the end (delta: 14.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-25 02:02:34,628 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:34,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1682.29ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.4MB in the end (delta: 11.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 02:02:34,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.24ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:34,630 INFO L158 Benchmark]: Boogie Preprocessor took 77.01ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:34,630 INFO L158 Benchmark]: RCFGBuilder took 585.21ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 58.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:02:34,630 INFO L158 Benchmark]: CodeCheck took 570.68ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 81.6MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:02:34,631 INFO L158 Benchmark]: Witness Printer took 134.41ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 76.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:02:34,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1561]: 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1569] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] 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, staticFalse=0, staticTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1682.29ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.4MB in the end (delta: 11.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.24ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.01ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.21ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 58.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 570.68ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 81.6MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 134.41ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 76.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:02:34,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfa9152-7628-4bee-9909-76d8868834b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)