./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:55,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:55,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:07:55,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:55,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:55,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:55,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:55,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:55,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:55,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:55,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:55,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:55,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:55,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:55,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:55,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:55,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:55,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:55,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:55,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:55,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:55,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:55,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:55,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:55,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:55,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:55,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:55,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:55,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:55,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:55,992 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:55,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:55,992 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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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 -> 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 [2024-11-13 21:07:56,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:56,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:56,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:56,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:56,334 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:56,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i Unable to find full path for "g++" [2024-11-13 21:07:58,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:58,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:58,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2024-11-13 21:07:58,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data/e2b3c4106/a7c67766af5b405b95f6571cebbc3ce5/FLAG109fab9ed [2024-11-13 21:07:58,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data/e2b3c4106/a7c67766af5b405b95f6571cebbc3ce5 [2024-11-13 21:07:58,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:58,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:58,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:58,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:58,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:58,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:58" (1/1) ... [2024-11-13 21:07:58,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55290c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:58, skipping insertion in model container [2024-11-13 21:07:58,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:58" (1/1) ... [2024-11-13 21:07:58,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:59,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:59,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:59,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:00,022 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:00,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00 WrapperNode [2024-11-13 21:08:00,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:00,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:00,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:00,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:00,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,078 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 21:08:00,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:00,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:00,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:00,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:00,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:00,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:00,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:00,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:00,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:00" (1/1) ... [2024-11-13 21:08:00,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:00,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:00,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:00,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:08:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:08:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:00,426 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:00,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:00,757 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:00,757 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:01,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:01,085 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:08:01,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:01 BoogieIcfgContainer [2024-11-13 21:08:01,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:01,086 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:01,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:01,098 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:01,099 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:01" (1/1) ... [2024-11-13 21:08:01,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:08:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:08:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:08:01,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:01,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:01,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:01,938 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:08:01,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:08:01 ImpRootNode [2024-11-13 21:08:01,983 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:08:01,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:08:01,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:08:01,985 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:08:01,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:01" (3/4) ... [2024-11-13 21:08:01,991 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:08:01,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:08:01,993 INFO L158 Benchmark]: Toolchain (without parser) took 3211.60ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.8MB in the beginning and 386.6MB in the end (delta: -271.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:08:01,993 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:01,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1241.09ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 56.0MB in the end (delta: 58.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:08:01,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.91ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:08:01,997 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 51.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:01,998 INFO L158 Benchmark]: RCFGBuilder took 980.23ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 79.3MB in the end (delta: -27.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-13 21:08:01,999 INFO L158 Benchmark]: CodeCheck took 896.55ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 78.5MB in the beginning and 386.6MB in the end (delta: -308.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:02,002 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 427.8MB. Free memory was 386.6MB in the beginning and 386.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:02,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 [L1559] 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 0.95ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1241.09ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 56.0MB in the end (delta: 58.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.91ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 142.6MB. Free memory was 53.2MB in the beginning and 51.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 980.23ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 79.3MB in the end (delta: -27.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 896.55ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 78.5MB in the beginning and 386.6MB in the end (delta: -308.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 427.8MB. Free memory was 386.6MB in the beginning and 386.6MB in the end (delta: 13.7kB). 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 21:08:02,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:08:05,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:08:05,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:08:05,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:08:05,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:08:05,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:08:05,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:08:05,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:08:05,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:08:05,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:08:05,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:08:05,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:08:05,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:08:05,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:08:05,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:08:05,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:08:05,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:08:05,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:08:05,450 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:08:05,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:08:05,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:08:05,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:08:05,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:08:05,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:08:05,451 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:08:05,451 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:05,451 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:08:05,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:08:05,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:05,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:08:05,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:08:05,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:08:05,452 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:08:05,452 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:05,452 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:08:05,452 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_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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 -> 7cb1cbc2894625d806f8909c2cfa5b2472c674605089a92fe0ac030e304dde65 [2024-11-13 21:08:05,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:08:05,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:08:05,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:08:05,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:08:05,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:08:05,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i Unable to find full path for "g++" [2024-11-13 21:08:07,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:08:08,296 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:08:08,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_14_bad.i [2024-11-13 21:08:08,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data/f0e3be699/a224c16a3968423bbcbfde3d886ede31/FLAG353a15cbd [2024-11-13 21:08:08,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/data/f0e3be699/a224c16a3968423bbcbfde3d886ede31 [2024-11-13 21:08:08,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:08:08,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:08:08,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:08,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:08:08,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:08:08,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:08" (1/1) ... [2024-11-13 21:08:08,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aede431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:08, skipping insertion in model container [2024-11-13 21:08:08,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:08:08" (1/1) ... [2024-11-13 21:08:08,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:08:09,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:09,724 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:08:09,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:08:09,991 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:08:09,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09 WrapperNode [2024-11-13 21:08:09,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:08:09,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:09,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:08:09,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:08:10,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,044 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 21:08:10,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:08:10,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:08:10,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:08:10,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:08:10,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:08:10,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:08:10,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:08:10,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:08:10,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:08:09" (1/1) ... [2024-11-13 21:08:10,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:08:10,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:08:10,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:08:10,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:08:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:08:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:08:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:08:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:08:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:08:10,309 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:08:10,311 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:08:10,463 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:08:10,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:08:10,581 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:08:10,585 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:08:10,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:10 BoogieIcfgContainer [2024-11-13 21:08:10,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:08:10,587 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:08:10,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:08:10,604 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:08:10,605 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:10" (1/1) ... [2024-11-13 21:08:10,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:08:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:08:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:08:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:08:10,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:10,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:10,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:10,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:10,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:08:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:11,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:11,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:08:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:11,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:08:11,217 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:08:11,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:08:11 ImpRootNode [2024-11-13 21:08:11,247 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:08:11,248 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:08:11,248 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:08:11,248 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:08:11,249 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:08:10" (3/4) ... [2024-11-13 21:08:11,252 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:08:11,253 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:08:11,254 INFO L158 Benchmark]: Toolchain (without parser) took 2877.23ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.9MB in the beginning and 214.9MB in the end (delta: -124.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,255 INFO L158 Benchmark]: CDTParser took 3.60ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:11,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1611.47ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 68.5MB in the end (delta: 21.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.78ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 65.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:11,256 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 64.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:11,257 INFO L158 Benchmark]: RCFGBuilder took 512.57ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 45.4MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:08:11,258 INFO L158 Benchmark]: CodeCheck took 659.77ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 45.4MB in the beginning and 215.0MB in the end (delta: -169.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:11,258 INFO L158 Benchmark]: Witness Printer took 5.59ms. Allocated memory is still 251.7MB. Free memory was 215.0MB in the beginning and 214.9MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:08:11,261 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 [L1559] 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 3.60ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1611.47ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 68.5MB in the end (delta: 21.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.78ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 65.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 64.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.57ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 45.4MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 659.77ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 45.4MB in the beginning and 215.0MB in the end (delta: -169.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.59ms. Allocated memory is still 251.7MB. Free memory was 215.0MB in the beginning and 214.9MB in the end (delta: 67.8kB). 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 21:08:11,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4f3f6c-ec9b-4eb6-a953-5899f38f2b10/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