./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_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_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/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_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/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_a7d97b70-54a2-438b-a583-6b34ac44e026/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 f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:03,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:03,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:50:03,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:03,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:03,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:03,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:03,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:03,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:03,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:03,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:03,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:03,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:03,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:03,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:03,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:03,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:03,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:03,727 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:50:03,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:50:03,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:03,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:03,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:03,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:03,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:03,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:03,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:03,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:03,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:03,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:03,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:03,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:03,730 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_a7d97b70-54a2-438b-a583-6b34ac44e026/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 -> f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 [2024-11-13 20:50:04,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:04,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:04,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:04,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:04,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:04,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i Unable to find full path for "g++" [2024-11-13 20:50:06,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:06,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:06,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-11-13 20:50:06,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data/ff44c5810/08e139ec5d8746db9e20c7309f902716/FLAGdb8a703be [2024-11-13 20:50:06,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data/ff44c5810/08e139ec5d8746db9e20c7309f902716 [2024-11-13 20:50:06,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:06,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:06,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:06,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:06,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:06,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:06" (1/1) ... [2024-11-13 20:50:06,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f417c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:06, skipping insertion in model container [2024-11-13 20:50:06,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:06" (1/1) ... [2024-11-13 20:50:06,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:07,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:08,008 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:08,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:08,343 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:08,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08 WrapperNode [2024-11-13 20:50:08,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:08,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:08,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:08,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:08,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,400 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-13 20:50:08,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:08,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:08,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:08,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:08,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:08,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:08,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:08,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:08,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 20:50:08,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:08,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:08,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:08,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:50:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:50:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:50:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:08,725 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:08,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:09,025 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:09,026 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:09,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:09,332 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:50:09,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:09 BoogieIcfgContainer [2024-11-13 20:50:09,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:09,333 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:09,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:09,345 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:09,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:09" (1/1) ... [2024-11-13 20:50:09,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:50:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:50:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:50:09,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:09,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:09,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:10,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:10,212 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:50:10,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:50:10 ImpRootNode [2024-11-13 20:50:10,252 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:50:10,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:50:10,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:50:10,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:50:10,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:09" (3/4) ... [2024-11-13 20:50:10,259 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:50:10,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:50:10,261 INFO L158 Benchmark]: Toolchain (without parser) took 3505.76ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 56.2MB in the end (delta: 34.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-13 20:50:10,261 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:10,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1586.28ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 82.9MB in the end (delta: 7.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 20:50:10,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.93ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:50:10,266 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:10,267 INFO L158 Benchmark]: RCFGBuilder took 901.44ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 41.0MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:50:10,270 INFO L158 Benchmark]: CodeCheck took 919.08ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 56.2MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:10,271 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 56.2MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:10,273 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: 0.8s, 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, 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: 1567]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_51b_badSink(data) [L1567] 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 0.26ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1586.28ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 82.9MB in the end (delta: 7.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.93ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 901.44ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 41.0MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 919.08ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 56.2MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 56.2MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:50:10,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/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_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/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_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/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_a7d97b70-54a2-438b-a583-6b34ac44e026/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 f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:13,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:13,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:50:13,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:13,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:13,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:13,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:13,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:13,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:13,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:13,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:13,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:13,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:13,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:13,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:50:13,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:50:13,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:13,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:50:13,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:50:13,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:50:13,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:13,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:13,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:13,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:13,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:13,575 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:13,575 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:50:13,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:13,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:13,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:13,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:13,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:13,576 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:50:13,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:13,577 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:50:13,577 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_a7d97b70-54a2-438b-a583-6b34ac44e026/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 -> f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 [2024-11-13 20:50:13,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:13,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:13,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:13,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:13,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:13,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i Unable to find full path for "g++" [2024-11-13 20:50:16,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:17,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:17,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-11-13 20:50:17,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data/dfeec4bde/6c005bb1bdc14bae825c0210c271e281/FLAG1e40f2c85 [2024-11-13 20:50:17,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/data/dfeec4bde/6c005bb1bdc14bae825c0210c271e281 [2024-11-13 20:50:17,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:17,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:17,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:17,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:17,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:17,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:17" (1/1) ... [2024-11-13 20:50:17,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f66aab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:17, skipping insertion in model container [2024-11-13 20:50:17,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:17" (1/1) ... [2024-11-13 20:50:17,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:18,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:18,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:18,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:18,878 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:18,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18 WrapperNode [2024-11-13 20:50:18,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:18,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:18,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:18,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:18,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,945 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-13 20:50:18,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:18,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:18,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:18,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:18,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:18,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:18,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:18,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:18,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:18" (1/1) ... [2024-11-13 20:50:18,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:19,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:19,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:19,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:50:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:50:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:50:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:19,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:19,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:19,475 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:19,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:19,628 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:19,628 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:50:19,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:19 BoogieIcfgContainer [2024-11-13 20:50:19,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:19,631 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:19,631 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:19,652 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:19,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:19" (1/1) ... [2024-11-13 20:50:19,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:50:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:50:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:50:19,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:19,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:19,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:19,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:19,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:50:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:20,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:20,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:20,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:50:20,328 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:50:20,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:50:20 ImpRootNode [2024-11-13 20:50:20,372 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:50:20,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:50:20,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:50:20,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:50:20,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:19" (3/4) ... [2024-11-13 20:50:20,379 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:50:20,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:50:20,385 INFO L158 Benchmark]: Toolchain (without parser) took 3279.39ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.6MB in the beginning and 215.6MB in the end (delta: -126.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-13 20:50:20,386 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:20,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1773.84ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 69.2MB in the end (delta: 20.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 20:50:20,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.51ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 66.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:20,391 INFO L158 Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 64.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:20,392 INFO L158 Benchmark]: RCFGBuilder took 647.68ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 47.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:50:20,392 INFO L158 Benchmark]: CodeCheck took 741.37ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 47.0MB in the beginning and 216.3MB in the end (delta: -169.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:20,392 INFO L158 Benchmark]: Witness Printer took 8.16ms. Allocated memory is still 251.7MB. Free memory was 216.3MB in the beginning and 215.6MB in the end (delta: 700.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:20,395 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_51b_badSink(data) [L1567] 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 0.48ms. Allocated memory is still 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1773.84ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 69.2MB in the end (delta: 20.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.51ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 66.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.43ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 64.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 647.68ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 47.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 741.37ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 47.0MB in the beginning and 216.3MB in the end (delta: -169.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.16ms. Allocated memory is still 251.7MB. Free memory was 216.3MB in the beginning and 215.6MB in the end (delta: 700.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:50:20,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d97b70-54a2-438b-a583-6b34ac44e026/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