./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_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_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/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_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/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_f1e03b15-3666-4e24-b0a2-737df01e5377/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 f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:44:45,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:44:45,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:44:45,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:44:45,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:44:45,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:44:45,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:44:45,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:44:45,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:44:45,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:44:45,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:44:45,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:44:45,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:44:45,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:44:45,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:44:45,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:44:45,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:44:45,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:44:45,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:44:45,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:44:45,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:44:45,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:44:45,753 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_f1e03b15-3666-4e24-b0a2-737df01e5377/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 -> f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 [2024-12-06 04:44:45,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:44:45,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:44:45,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:44:45,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:44:45,958 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:44:45,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2024-12-06 04:44:48,658 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/a1c7b0cc8/8598f25e12384012aab8faaa7ae71016/FLAG432c47de9 [2024-12-06 04:44:48,930 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:44:48,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2024-12-06 04:44:48,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/a1c7b0cc8/8598f25e12384012aab8faaa7ae71016/FLAG432c47de9 [2024-12-06 04:44:48,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/a1c7b0cc8/8598f25e12384012aab8faaa7ae71016 [2024-12-06 04:44:48,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:44:48,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:44:48,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:44:48,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:44:48,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:44:48,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:44:48" (1/1) ... [2024-12-06 04:44:48,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3538c1df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:48, skipping insertion in model container [2024-12-06 04:44:48,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:44:48" (1/1) ... [2024-12-06 04:44:49,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:44:49,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:44:49,678 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:44:49,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:44:49,862 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:44:49,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49 WrapperNode [2024-12-06 04:44:49,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:44:49,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:44:49,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:44:49,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:44:49,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,903 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-12-06 04:44:49,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:44:49,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:44:49,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:44:49,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:44:49,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:44:49,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:44:49,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:44:49,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:44:49,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:49" (1/1) ... [2024-12-06 04:44:49,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:44:49,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:44:49,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:44:49,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:44:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:44:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:44:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:44:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:44:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:44:50,084 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:44:50,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:44:50,238 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 04:44:50,238 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:44:50,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:44:50,392 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:44:50,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:44:50 BoogieIcfgContainer [2024-12-06 04:44:50,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:44:50,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:44:50,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:44:50,400 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:44:50,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:44:50" (1/1) ... [2024-12-06 04:44:50,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:44:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 04:44:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 04:44:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:44:50,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:44:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:50,629 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:44:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:50,756 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:44:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:50,793 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:44:50,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:44:50 ImpRootNode [2024-12-06 04:44:50,816 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:44:50,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:44:50,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:44:50,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:44:50,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:44:50" (3/4) ... [2024-12-06 04:44:50,820 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:44:50,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:44:50,822 INFO L158 Benchmark]: Toolchain (without parser) took 1853.57ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 61.0MB in the end (delta: 28.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-12-06 04:44:50,823 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:50,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.53ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.3MB in the end (delta: 7.7MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-06 04:44:50,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.98ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:44:50,824 INFO L158 Benchmark]: Boogie Preprocessor took 21.47ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:50,824 INFO L158 Benchmark]: RCFGBuilder took 465.75ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 37.2MB in the end (delta: 40.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:44:50,825 INFO L158 Benchmark]: CodeCheck took 423.65ms. Allocated memory is still 117.4MB. Free memory was 37.2MB in the beginning and 61.8MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:50,825 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 61.0MB in the end (delta: 755.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:50,827 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.53ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.3MB in the end (delta: 7.7MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.98ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.47ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.75ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 37.2MB in the end (delta: 40.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 423.65ms. Allocated memory is still 117.4MB. Free memory was 37.2MB in the beginning and 61.8MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 61.0MB in the end (delta: 755.4kB). 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 04:44:50,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/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_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/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_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/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_f1e03b15-3666-4e24-b0a2-737df01e5377/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 f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:44:52,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:44:52,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:44:52,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:44:52,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:44:52,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:44:52,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:44:52,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:44:52,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:44:52,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:44:52,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:44:52,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:44:52,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:44:52,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:44:52,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:44:52,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:44:52,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:44:52,816 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:52,816 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:44:52,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:44:52,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:44:52,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:44:52,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:44:52,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:44:52,817 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:44:52,817 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:52,817 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:44:52,817 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_f1e03b15-3666-4e24-b0a2-737df01e5377/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 -> f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 [2024-12-06 04:44:53,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:44:53,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:44:53,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:44:53,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:44:53,047 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:44:53,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2024-12-06 04:44:55,663 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/df777de29/a9a836d5d4c84e8eb88b8a8683b965bf/FLAGb55006822 [2024-12-06 04:44:55,980 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:44:55,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2024-12-06 04:44:56,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/df777de29/a9a836d5d4c84e8eb88b8a8683b965bf/FLAGb55006822 [2024-12-06 04:44:56,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/data/df777de29/a9a836d5d4c84e8eb88b8a8683b965bf [2024-12-06 04:44:56,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:44:56,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:44:56,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:44:56,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:44:56,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:44:56,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:44:56" (1/1) ... [2024-12-06 04:44:56,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74389d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:56, skipping insertion in model container [2024-12-06 04:44:56,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:44:56" (1/1) ... [2024-12-06 04:44:56,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:44:56,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:44:56,907 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:44:56,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:44:57,092 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:44:57,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57 WrapperNode [2024-12-06 04:44:57,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:44:57,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:44:57,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:44:57,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:44:57,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,132 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-12-06 04:44:57,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:44:57,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:44:57,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:44:57,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:44:57,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,148 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:44:57,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:44:57,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:44:57,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:44:57,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:44:57,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:44:57,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:44:57,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:44:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:44:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:44:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:44:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:44:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:44:57,312 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:44:57,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:44:57,409 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:44:57,410 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:44:57,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:44:57,464 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:44:57,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:44:57 BoogieIcfgContainer [2024-12-06 04:44:57,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:44:57,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:44:57,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:44:57,472 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:44:57,473 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:44:57" (1/1) ... [2024-12-06 04:44:57,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:44:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 04:44:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 04:44:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:44:57,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:57,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:57,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:57,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:57,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:44:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:57,650 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:44:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:57,740 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:44:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:44:57,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:44:57,769 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:44:57,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:44:57 ImpRootNode [2024-12-06 04:44:57,789 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:44:57,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:44:57,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:44:57,790 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:44:57,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:44:57" (3/4) ... [2024-12-06 04:44:57,791 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:44:57,822 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 04:44:57,854 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:44:57,854 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:44:57,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:44:57,855 INFO L158 Benchmark]: Toolchain (without parser) took 1610.41ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 67.1MB in the beginning and 119.2MB in the end (delta: -52.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 04:44:57,855 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:57,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.52ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 61.8MB in the end (delta: 5.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 04:44:57,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.20ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:57,856 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:57,856 INFO L158 Benchmark]: RCFGBuilder took 308.31ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 40.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:44:57,857 INFO L158 Benchmark]: CodeCheck took 324.45ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 40.5MB in the beginning and 123.9MB in the end (delta: -83.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:57,857 INFO L158 Benchmark]: Witness Printer took 64.30ms. Allocated memory is still 159.4MB. Free memory was 123.9MB in the beginning and 119.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:44:57,859 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, 13 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.52ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 61.8MB in the end (delta: 5.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.20ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.31ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 40.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 324.45ms. Allocated memory was 92.3MB in the beginning and 159.4MB in the end (delta: 67.1MB). Free memory was 40.5MB in the beginning and 123.9MB in the end (delta: -83.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.30ms. Allocated memory is still 159.4MB. Free memory was 123.9MB in the beginning and 119.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:44:57,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e03b15-3666-4e24-b0a2-737df01e5377/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)