./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_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_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/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_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/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_d1426023-25f8-4ca6-b2cb-be35df8c430a/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 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:49:22,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:49:22,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:49:22,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:49:22,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:49:22,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:49:22,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:49:22,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:49:22,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:49:22,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:49:22,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:49:22,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:49:22,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:49:22,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:49:22,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:49:22,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:49:22,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:49:22,326 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:49:22,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:49:22,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:22,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:49:22,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:49:22,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:49:22,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:49:22,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:49:22,327 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_d1426023-25f8-4ca6-b2cb-be35df8c430a/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 -> 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd [2024-11-13 20:49:22,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:22,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:22,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:22,767 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:22,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:22,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i Unable to find full path for "g++" [2024-11-13 20:49:25,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:25,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:25,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2024-11-13 20:49:25,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data/2efb04d3e/6334bf2a8669443bb96ab94d0ed2fdce/FLAGa59471523 [2024-11-13 20:49:25,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data/2efb04d3e/6334bf2a8669443bb96ab94d0ed2fdce [2024-11-13 20:49:25,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:25,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:25,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:25,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:25,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:25,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:25" (1/1) ... [2024-11-13 20:49:25,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f29e03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:25, skipping insertion in model container [2024-11-13 20:49:25,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:25" (1/1) ... [2024-11-13 20:49:25,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:26,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:26,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:26,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:27,069 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:27,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27 WrapperNode [2024-11-13 20:49:27,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:27,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:27,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:27,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:27,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,148 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-13 20:49:27,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:27,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:27,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:27,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:27,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:27,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:27,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:27,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:27,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:27" (1/1) ... [2024-11-13 20:49:27,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:27,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:27,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:27,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:49:27,258 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:49:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:27,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:27,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:49:27,656 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 20:49:27,656 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:49:27,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:49:27,999 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:49:28,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:28 BoogieIcfgContainer [2024-11-13 20:49:28,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:49:28,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:49:28,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:49:28,012 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:49:28,012 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:28" (1/1) ... [2024-11-13 20:49:28,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:49:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:49:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:49:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:49:28,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:28,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:28,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:28,700 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:49:28,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:49:28 ImpRootNode [2024-11-13 20:49:28,735 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:49:28,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:49:28,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:49:28,737 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:49:28,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:28" (3/4) ... [2024-11-13 20:49:28,741 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:49:28,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:49:28,743 INFO L158 Benchmark]: Toolchain (without parser) took 3175.09ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 46.8MB in the end (delta: 41.7MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-11-13 20:49:28,745 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:28,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.11ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 80.7MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:49:28,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.96ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:49:28,747 INFO L158 Benchmark]: Boogie Preprocessor took 45.89ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:28,750 INFO L158 Benchmark]: RCFGBuilder took 804.43ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 82.7MB in the end (delta: -6.3MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-13 20:49:28,750 INFO L158 Benchmark]: CodeCheck took 734.73ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 46.8MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:49:28,750 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:28,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.11ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 80.7MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.96ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.8MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.89ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 804.43ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 82.7MB in the end (delta: -6.3MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * CodeCheck took 734.73ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 46.8MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory is still 46.8MB. 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 20:49:28,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/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_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/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_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/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_d1426023-25f8-4ca6-b2cb-be35df8c430a/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 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:49:31,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:49:31,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:49:31,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:49:31,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:49:31,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:49:31,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:49:31,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:49:31,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:49:31,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:49:31,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:49:31,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:49:31,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:49:31,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:49:31,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:49:31,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:49:31,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:49:31,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:49:31,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:49:31,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:49:31,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:49:31,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:49:31,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:49:31,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:49:31,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:49:31,757 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:31,758 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:49:31,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:49:31,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:31,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:49:31,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:49:31,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:49:31,759 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:49:31,759 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:31,759 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:49:31,759 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_d1426023-25f8-4ca6-b2cb-be35df8c430a/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 -> 1b253f1f0adffc8da2e9f898696836492464bbf561b3753ca5347d36ce9d8dcd [2024-11-13 20:49:32,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:32,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:32,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:32,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:32,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:32,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i Unable to find full path for "g++" [2024-11-13 20:49:34,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:34,690 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:34,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_bad.i [2024-11-13 20:49:34,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data/6f01fb76c/af421be7279e4cfc9cf6ec5a919d8927/FLAGe0637559f [2024-11-13 20:49:34,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/data/6f01fb76c/af421be7279e4cfc9cf6ec5a919d8927 [2024-11-13 20:49:34,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:34,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:34,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:34,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:34,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:34,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:34" (1/1) ... [2024-11-13 20:49:34,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c0d904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:34, skipping insertion in model container [2024-11-13 20:49:34,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:34" (1/1) ... [2024-11-13 20:49:34,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:35,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:35,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:36,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:36,236 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:36,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36 WrapperNode [2024-11-13 20:49:36,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:36,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:36,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:36,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:36,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,307 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-13 20:49:36,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:36,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:36,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:36,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:36,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:36,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:36,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:36,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:36,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:36,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:36,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:36,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:49:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:49:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:36,554 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:36,556 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:49:36,716 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:49:36,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:49:36,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:49:36,822 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:49:36,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:36 BoogieIcfgContainer [2024-11-13 20:49:36,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:49:36,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:49:36,824 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:49:36,834 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:49:36,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:49:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:49:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:49:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:49:36,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:36,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:36,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:36,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:36,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:49:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:37,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:37,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:37,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:37,312 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:49:37,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:49:37 ImpRootNode [2024-11-13 20:49:37,344 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:49:37,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:49:37,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:49:37,346 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:49:37,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:36" (3/4) ... [2024-11-13 20:49:37,350 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:49:37,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:49:37,354 INFO L158 Benchmark]: Toolchain (without parser) took 2584.29ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 39.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-13 20:49:37,354 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:37,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1466.74ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 52.4MB in the end (delta: 5.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 20:49:37,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.27ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:37,355 INFO L158 Benchmark]: Boogie Preprocessor took 37.17ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:37,356 INFO L158 Benchmark]: RCFGBuilder took 476.53ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 53.8MB in the end (delta: -5.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-13 20:49:37,356 INFO L158 Benchmark]: CodeCheck took 521.04ms. Allocated memory is still 83.9MB. Free memory was 53.8MB in the beginning and 39.4MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:49:37,356 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:37,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1466.74ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 52.4MB in the end (delta: 5.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.27ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.17ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.53ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 53.8MB in the end (delta: -5.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 521.04ms. Allocated memory is still 83.9MB. Free memory was 53.8MB in the beginning and 39.4MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. 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 20:49:37,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1426023-25f8-4ca6-b2cb-be35df8c430a/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