./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm --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 f3bc4ff1539a44e7377a664f39513d2bdc488ee9536c31c9b3321a8067aa2b8e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:41:46,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:41:46,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:41:46,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:41:46,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:41:46,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:41:46,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:41:46,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:41:46,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:41:46,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:41:46,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:41:46,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:41:46,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:41:46,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:41:46,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:41:46,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:41:46,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:41:46,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:41:46,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:41:46,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:41:46,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:41:46,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:41:46,240 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:41:46,240 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:41:46,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:41:46,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:41:46,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:46,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:41:46,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:41:46,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:41:46,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:41:46,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:41:46,242 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_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm 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 -> f3bc4ff1539a44e7377a664f39513d2bdc488ee9536c31c9b3321a8067aa2b8e [2024-11-13 20:41:46,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:41:46,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:41:46,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:41:46,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:41:46,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:41:46,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_bad.i Unable to find full path for "g++" [2024-11-13 20:41:49,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:41:49,735 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:41:49,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_bad.i [2024-11-13 20:41:49,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data/ee16a4d16/807719f565f54b20a4a44fa5f75c6953/FLAGf9e3c067e [2024-11-13 20:41:49,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data/ee16a4d16/807719f565f54b20a4a44fa5f75c6953 [2024-11-13 20:41:49,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:41:49,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:41:49,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:49,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:41:49,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:41:49,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:49" (1/1) ... [2024-11-13 20:41:49,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a33a93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:49, skipping insertion in model container [2024-11-13 20:41:49,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:49" (1/1) ... [2024-11-13 20:41:49,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:41:51,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:51,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:41:51,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:51,515 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:41:51,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51 WrapperNode [2024-11-13 20:41:51,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:51,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:51,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:41:51,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:41:51,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,578 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-13 20:41:51,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:51,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:41:51,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:41:51,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:41:51,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:41:51,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:41:51,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:41:51,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:41:51,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:51" (1/1) ... [2024-11-13 20:41:51,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:51,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:41:51,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:41:51,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:41:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:41:51,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:41:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:41:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:41:51,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:41:51,875 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:41:51,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:41:52,227 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 20:41:52,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:41:52,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:41:52,582 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:41:52,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:52 BoogieIcfgContainer [2024-11-13 20:41:52,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:41:52,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:41:52,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:41:52,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:41:52,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:41:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:41:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:41:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:41:52,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:53,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:41:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:53,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:41:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:53,450 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:41:53,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:41:53 ImpRootNode [2024-11-13 20:41:53,501 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:41:53,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:41:53,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:41:53,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:41:53,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:52" (3/4) ... [2024-11-13 20:41:53,509 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:41:53,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:41:53,511 INFO L158 Benchmark]: Toolchain (without parser) took 3695.57ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 91.3MB in the beginning and 279.1MB in the end (delta: -187.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 20:41:53,512 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:53,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.99ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 82.7MB in the end (delta: 8.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 20:41:53,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.82ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:53,516 INFO L158 Benchmark]: Boogie Preprocessor took 28.10ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:41:53,516 INFO L158 Benchmark]: RCFGBuilder took 975.19ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 78.8MB in the beginning and 314.9MB in the end (delta: -236.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-13 20:41:53,517 INFO L158 Benchmark]: CodeCheck took 917.01ms. Allocated memory is still 343.9MB. Free memory was 314.9MB in the beginning and 279.1MB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:41:53,517 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 343.9MB. Free memory is still 279.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:53,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569, overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.61ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.99ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 82.7MB in the end (delta: 8.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.82ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 80.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.10ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 975.19ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 78.8MB in the beginning and 314.9MB in the end (delta: -236.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * CodeCheck took 917.01ms. Allocated memory is still 343.9MB. Free memory was 314.9MB in the beginning and 279.1MB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 343.9MB. Free memory is still 279.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:41:53,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/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_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm --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 f3bc4ff1539a44e7377a664f39513d2bdc488ee9536c31c9b3321a8067aa2b8e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:41:56,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:41:57,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:41:57,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:41:57,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:41:57,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:41:57,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:41:57,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:41:57,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:41:57,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:41:57,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:41:57,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:41:57,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:41:57,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:41:57,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:41:57,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:41:57,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:41:57,148 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:41:57,148 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:41:57,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:41:57,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:41:57,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:41:57,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:41:57,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:41:57,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:41:57,149 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:41:57,149 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:41:57,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:41:57,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:57,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:41:57,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:41:57,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:41:57,150 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:41:57,150 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:41:57,150 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:41:57,151 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_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm 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 -> f3bc4ff1539a44e7377a664f39513d2bdc488ee9536c31c9b3321a8067aa2b8e [2024-11-13 20:41:57,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:41:57,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:41:57,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:41:57,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:41:57,645 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:41:57,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_bad.i Unable to find full path for "g++" [2024-11-13 20:42:00,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:42:00,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:42:00,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_06_bad.i [2024-11-13 20:42:00,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data/e285e6245/2a8e11f67e314be2a463c4abf502900d/FLAG006bf79bb [2024-11-13 20:42:00,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/data/e285e6245/2a8e11f67e314be2a463c4abf502900d [2024-11-13 20:42:00,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:42:00,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:42:00,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:00,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:42:00,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:42:00,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:00" (1/1) ... [2024-11-13 20:42:00,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279e0316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:00, skipping insertion in model container [2024-11-13 20:42:00,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:00" (1/1) ... [2024-11-13 20:42:00,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:42:02,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:02,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:42:02,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:02,750 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:42:02,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02 WrapperNode [2024-11-13 20:42:02,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:02,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:02,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:42:02,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:42:02,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,825 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-13 20:42:02,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:02,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:42:02,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:42:02,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:42:02,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:42:02,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:42:02,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:42:02,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:42:02,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:02" (1/1) ... [2024-11-13 20:42:02,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:02,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:42:02,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:42:02,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:42:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:42:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:42:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:42:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:42:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:42:03,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:42:03,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:42:03,346 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:42:03,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:03,481 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:03,481 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:42:03,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:03 BoogieIcfgContainer [2024-11-13 20:42:03,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:03,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:03,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:03,496 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:03,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:03" (1/1) ... [2024-11-13 20:42:03,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:42:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:42:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:42:03,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:03,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:03,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:03,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:03,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:42:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:03,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:42:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:04,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:42:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:04,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:42:04,152 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:42:04,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:42:04 ImpRootNode [2024-11-13 20:42:04,198 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:42:04,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:42:04,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:42:04,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:42:04,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:03" (3/4) ... [2024-11-13 20:42:04,207 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:42:04,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:42:04,210 INFO L158 Benchmark]: Toolchain (without parser) took 3467.31ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.5MB in the beginning and 205.7MB in the end (delta: -116.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-13 20:42:04,210 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:04,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2007.33ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 67.7MB in the end (delta: 21.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 20:42:04,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.10ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:04,214 INFO L158 Benchmark]: Boogie Preprocessor took 34.20ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 63.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:04,215 INFO L158 Benchmark]: RCFGBuilder took 619.64ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 45.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:42:04,216 INFO L158 Benchmark]: CodeCheck took 715.66ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.6MB in the beginning and 206.4MB in the end (delta: -161.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:04,216 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 243.3MB. Free memory was 206.4MB in the beginning and 205.7MB in the end (delta: 705.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:04,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: 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 1569. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE STATIC_CONST_FIVE==5 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.64ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2007.33ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 67.7MB in the end (delta: 21.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.10ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.20ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 63.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 619.64ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 45.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 715.66ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.6MB in the beginning and 206.4MB in the end (delta: -161.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 243.3MB. Free memory was 206.4MB in the beginning and 205.7MB in the end (delta: 705.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:42:04,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf28ec0-c9a5-44a1-893b-bb8449fc7492/bin/ukojak-verify-EEHR8qb7sm/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