./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk --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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:29:37,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:29:37,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:29:37,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:29:37,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:29:38,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:29:38,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:29:38,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:29:38,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:29:38,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:29:38,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:29:38,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:29:38,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:29:38,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:29:38,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:29:38,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:29:38,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:29:38,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:29:38,036 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:29:38,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:29:38,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:29:38,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:29:38,041 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:29:38,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:29:38,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:29:38,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:29:38,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:38,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:29:38,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:29:38,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:29:38,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:29:38,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:29:38,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2024-11-09 00:29:38,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:29:38,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:29:38,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:29:38,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:29:38,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:29:38,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i Unable to find full path for "g++" [2024-11-09 00:29:40,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:29:41,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:29:41,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2024-11-09 00:29:41,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data/95b752ee6/df26a5614fd84f6a9ea13032ec409e9f/FLAGd520555e6 [2024-11-09 00:29:41,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data/95b752ee6/df26a5614fd84f6a9ea13032ec409e9f [2024-11-09 00:29:41,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:29:41,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:29:41,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:41,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:29:41,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:29:41,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:41" (1/1) ... [2024-11-09 00:29:41,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8424152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:41, skipping insertion in model container [2024-11-09 00:29:41,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:41" (1/1) ... [2024-11-09 00:29:41,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:29:42,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:42,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:29:42,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:42,679 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:29:42,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42 WrapperNode [2024-11-09 00:29:42,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:42,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:42,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:29:42,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:29:42,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,781 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-09 00:29:42,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:42,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:29:42,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:29:42,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:29:42,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:29:42,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:29:42,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:29:42,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:29:42,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:42,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:29:42,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:29:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:29:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:29:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:29:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:29:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:29:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:29:43,161 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:29:43,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:29:43,445 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-09 00:29:43,445 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:29:43,715 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:29:43,715 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:29:43,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:43 BoogieIcfgContainer [2024-11-09 00:29:43,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:29:43,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:29:43,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:29:43,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:29:43,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:43,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:29:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:29:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:29:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:29:43,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:44,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:44,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:44,406 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:29:44,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:29:44 ImpRootNode [2024-11-09 00:29:44,443 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:29:44,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:29:44,445 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:29:44,446 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:29:44,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:43" (3/4) ... [2024-11-09 00:29:44,450 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:29:44,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:29:44,453 INFO L158 Benchmark]: Toolchain (without parser) took 3331.91ms. Allocated memory is still 192.9MB. Free memory was 163.3MB in the beginning and 79.7MB in the end (delta: 83.5MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:44,454 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:29:44,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1557.68ms. Allocated memory is still 192.9MB. Free memory was 163.1MB in the beginning and 97.9MB in the end (delta: 65.1MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2024-11-09 00:29:44,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.63ms. Allocated memory is still 192.9MB. Free memory was 97.9MB in the beginning and 94.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:44,458 INFO L158 Benchmark]: Boogie Preprocessor took 64.94ms. Allocated memory is still 192.9MB. Free memory was 94.6MB in the beginning and 159.4MB in the end (delta: -64.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-09 00:29:44,459 INFO L158 Benchmark]: RCFGBuilder took 866.55ms. Allocated memory is still 192.9MB. Free memory was 159.4MB in the beginning and 118.5MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 00:29:44,460 INFO L158 Benchmark]: CodeCheck took 726.18ms. Allocated memory is still 192.9MB. Free memory was 118.5MB in the beginning and 80.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 00:29:44,461 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 192.9MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:29:44,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567, overapproximation of bitwiseOr at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1557.68ms. Allocated memory is still 192.9MB. Free memory was 163.1MB in the beginning and 97.9MB in the end (delta: 65.1MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.63ms. Allocated memory is still 192.9MB. Free memory was 97.9MB in the beginning and 94.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.94ms. Allocated memory is still 192.9MB. Free memory was 94.6MB in the beginning and 159.4MB in the end (delta: -64.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * RCFGBuilder took 866.55ms. Allocated memory is still 192.9MB. Free memory was 159.4MB in the beginning and 118.5MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 726.18ms. Allocated memory is still 192.9MB. Free memory was 118.5MB in the beginning and 80.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 192.9MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:29:44,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk --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 c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:29:46,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:29:47,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:29:47,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:29:47,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:29:47,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:29:47,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:29:47,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:29:47,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:29:47,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:29:47,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:29:47,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:29:47,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:29:47,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:29:47,171 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:29:47,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:29:47,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:29:47,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:29:47,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:29:47,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:29:47,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:29:47,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:29:47,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:29:47,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:29:47,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:29:47,178 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:47,178 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:29:47,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:29:47,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:47,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:29:47,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:29:47,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:29:47,180 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:29:47,183 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:47,183 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:29:47,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5c705a04b0cbbfc6e9e9f2ea7a11929aed0b365130501b8b951264a3fd11682 [2024-11-09 00:29:47,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:29:47,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:29:47,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:29:47,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:29:47,585 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:29:47,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i Unable to find full path for "g++" [2024-11-09 00:29:49,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:29:50,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:29:50,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_bad.i [2024-11-09 00:29:50,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data/a4c7236c9/d2223a35a9c74f7c90c619ad3605cc5e/FLAG72317ec8e [2024-11-09 00:29:50,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/data/a4c7236c9/d2223a35a9c74f7c90c619ad3605cc5e [2024-11-09 00:29:50,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:29:50,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:29:50,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:50,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:29:50,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:29:50,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:50" (1/1) ... [2024-11-09 00:29:50,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2f8c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:50, skipping insertion in model container [2024-11-09 00:29:50,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:50" (1/1) ... [2024-11-09 00:29:50,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:29:51,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:51,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:29:51,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:51,745 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:29:51,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51 WrapperNode [2024-11-09 00:29:51,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:51,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:51,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:29:51,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:29:51,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,803 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-09 00:29:51,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:51,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:29:51,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:29:51,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:29:51,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:29:51,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:29:51,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:29:51,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:29:51,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:51,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:29:51,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:29:51,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:29:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:29:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:29:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:29:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:29:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:29:52,085 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:29:52,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:29:52,303 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-09 00:29:52,303 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:29:52,427 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:29:52,427 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:29:52,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:52 BoogieIcfgContainer [2024-11-09 00:29:52,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:29:52,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:29:52,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:29:52,440 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:29:52,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:52,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:29:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:29:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:29:52,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:29:52,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:52,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:52,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:52,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:29:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:52,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:52,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:53,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:29:53,049 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:29:53,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:29:53 ImpRootNode [2024-11-09 00:29:53,094 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:29:53,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:29:53,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:29:53,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:29:53,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:52" (3/4) ... [2024-11-09 00:29:53,101 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:29:53,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:29:53,103 INFO L158 Benchmark]: Toolchain (without parser) took 2921.52ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 44.7MB in the end (delta: 29.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-09 00:29:53,104 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:29:53,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.89ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 57.0MB in the end (delta: 16.5MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-09 00:29:53,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.93ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 53.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:53,106 INFO L158 Benchmark]: Boogie Preprocessor took 34.85ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:53,108 INFO L158 Benchmark]: RCFGBuilder took 587.66ms. Allocated memory is still 100.7MB. Free memory was 52.0MB in the beginning and 59.9MB in the end (delta: -7.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-09 00:29:53,109 INFO L158 Benchmark]: CodeCheck took 665.19ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 44.7MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:29:53,110 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 100.7MB. Free memory was 44.7MB in the beginning and 44.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:29:53,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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_postdec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.89ms. Allocated memory is still 100.7MB. Free memory was 73.5MB in the beginning and 57.0MB in the end (delta: 16.5MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.93ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 53.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.85ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.66ms. Allocated memory is still 100.7MB. Free memory was 52.0MB in the beginning and 59.9MB in the end (delta: -7.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * CodeCheck took 665.19ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 44.7MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 100.7MB. Free memory was 44.7MB in the beginning and 44.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:29:53,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d0a19f-96a9-4b91-93fc-43132572e939/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample