./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_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_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/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_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/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_482ef0a3-16d2-446a-a273-2639cdadb8fc/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 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:09,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:09,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:57:09,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:57:09,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:57:09,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:09,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:09,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:09,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:09,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:09,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:09,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:09,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:57:09,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:09,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:09,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:09,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:09,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:09,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:57:09,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:57:09,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:09,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:09,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:09,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:09,673 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:09,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:09,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:09,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:09,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:09,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:09,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:57:09,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:57:09,675 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_482ef0a3-16d2-446a-a273-2639cdadb8fc/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 -> 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 [2024-11-13 16:57:09,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:09,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:09,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:09,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:09,970 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:09,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i Unable to find full path for "g++" [2024-11-13 16:57:11,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:12,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:12,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i [2024-11-13 16:57:12,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data/efe095377/32ae17b9a555470e8f2e876c53542890/FLAG9c44fa88b [2024-11-13 16:57:12,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data/efe095377/32ae17b9a555470e8f2e876c53542890 [2024-11-13 16:57:12,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:12,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:12,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:12,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:12,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:12,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:12" (1/1) ... [2024-11-13 16:57:12,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee14032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:12, skipping insertion in model container [2024-11-13 16:57:12,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:12" (1/1) ... [2024-11-13 16:57:12,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:13,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:13,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:13,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:13,938 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:13,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13 WrapperNode [2024-11-13 16:57:13,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:13,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:13,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:13,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:13,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:13,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,012 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-13 16:57:14,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:14,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:14,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:14,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:14,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:14,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:14,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:14,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:14,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:13" (1/1) ... [2024-11-13 16:57:14,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:14,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:14,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:14,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:57:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:57:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:14,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:14,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:14,516 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:14,516 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:14,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:14,759 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:57:14,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:14 BoogieIcfgContainer [2024-11-13 16:57:14,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:14,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:14,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:14,770 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:14,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:14" (1/1) ... [2024-11-13 16:57:14,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:14,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:57:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:57:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:57:14,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:14,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:15,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:15,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:15,501 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:57:15,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:57:15 ImpRootNode [2024-11-13 16:57:15,533 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:57:15,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:57:15,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:57:15,534 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:57:15,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:14" (3/4) ... [2024-11-13 16:57:15,537 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:57:15,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:57:15,539 INFO L158 Benchmark]: Toolchain (without parser) took 3062.04ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 49.1MB in the end (delta: 40.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-13 16:57:15,539 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 75.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:15,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.25ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.1MB in the end (delta: 9.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 16:57:15,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.53ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:15,540 INFO L158 Benchmark]: Boogie Preprocessor took 23.71ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:15,540 INFO L158 Benchmark]: RCFGBuilder took 720.42ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 34.5MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:57:15,541 INFO L158 Benchmark]: CodeCheck took 772.84ms. Allocated memory is still 117.4MB. Free memory was 34.5MB in the beginning and 49.1MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:15,541 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:15,543 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_postdec_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) [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 1.06ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 75.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.25ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.1MB in the end (delta: 9.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.53ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.71ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 720.42ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 34.5MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 772.84ms. Allocated memory is still 117.4MB. Free memory was 34.5MB in the beginning and 49.1MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 49.1MB 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 16:57:15,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/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_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/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_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/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_482ef0a3-16d2-446a-a273-2639cdadb8fc/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 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:18,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:18,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:57:18,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:18,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:18,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:18,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:18,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:18,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:18,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:18,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:18,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:18,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:57:18,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:18,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:18,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:18,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:18,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:18,315 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:18,315 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:57:18,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:18,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:18,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:18,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:18,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:18,316 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:57:18,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:18,316 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:57:18,316 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_482ef0a3-16d2-446a-a273-2639cdadb8fc/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 -> 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 [2024-11-13 16:57:18,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:18,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:18,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:18,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:18,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:18,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i Unable to find full path for "g++" [2024-11-13 16:57:20,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:21,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:21,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i [2024-11-13 16:57:21,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data/eedce7a26/00cb1abd86ef40f48f08ead9f1805f1c/FLAG1b5f83679 [2024-11-13 16:57:21,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/data/eedce7a26/00cb1abd86ef40f48f08ead9f1805f1c [2024-11-13 16:57:21,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:21,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:21,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:21,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:21,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:21,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:21" (1/1) ... [2024-11-13 16:57:21,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349c0b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:21, skipping insertion in model container [2024-11-13 16:57:21,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:21" (1/1) ... [2024-11-13 16:57:21,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:22,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:22,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:22,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:22,432 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:22,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22 WrapperNode [2024-11-13 16:57:22,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:22,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:22,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:22,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:22,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,491 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-13 16:57:22,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:22,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:22,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:22,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:22,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:22,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:22,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:22,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:22,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:22" (1/1) ... [2024-11-13 16:57:22,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:22,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:22,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:22,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:57:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:57:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:22,756 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:22,757 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:22,891 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:22,891 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:23,007 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:23,007 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:57:23,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:23 BoogieIcfgContainer [2024-11-13 16:57:23,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:23,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:23,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:23,019 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:23,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:23" (1/1) ... [2024-11-13 16:57:23,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:57:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:57:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:57:23,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:23,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:23,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:23,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:23,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:23,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:23,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:23,533 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:57:23,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:57:23,538 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:57:23,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:57:23 ImpRootNode [2024-11-13 16:57:23,564 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:57:23,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:57:23,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:57:23,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:57:23,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:23" (3/4) ... [2024-11-13 16:57:23,568 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:57:23,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:57:23,570 INFO L158 Benchmark]: Toolchain (without parser) took 2368.78ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 77.6MB in the end (delta: 12.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-13 16:57:23,570 INFO L158 Benchmark]: CDTParser took 3.98ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:23,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1230.02ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 78.4MB in the end (delta: 11.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 16:57:23,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.26ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 75.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:23,571 INFO L158 Benchmark]: Boogie Preprocessor took 40.44ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:23,572 INFO L158 Benchmark]: RCFGBuilder took 473.76ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 54.8MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:57:23,572 INFO L158 Benchmark]: CodeCheck took 555.05ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 77.6MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:23,572 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 77.6MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:23,575 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_postdec_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) [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 3.98ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1230.02ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 78.4MB in the end (delta: 11.4MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.26ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 75.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.44ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 473.76ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 54.8MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 555.05ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 77.6MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 77.6MB in the end (delta: 16.6kB). 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 16:57:23,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482ef0a3-16d2-446a-a273-2639cdadb8fc/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