./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk --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 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:10,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:10,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:25:10,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:25:10,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:25:11,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:11,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:11,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:11,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:11,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:11,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:11,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:11,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:25:11,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:11,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:11,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:11,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:11,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:11,036 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:25:11,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:25:11,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:11,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:11,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:11,042 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:11,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:11,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:11,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:11,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:11,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:11,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:11,049 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:25:11,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:25:11,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa [2024-11-08 23:25:11,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:11,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:11,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:11,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:11,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:11,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i Unable to find full path for "g++" [2024-11-08 23:25:13,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:14,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:14,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i [2024-11-08 23:25:14,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data/44fda7497/6432151570c246cc894fb0d11cca75f8/FLAGdf7aa902f [2024-11-08 23:25:14,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data/44fda7497/6432151570c246cc894fb0d11cca75f8 [2024-11-08 23:25:14,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:14,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:14,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:14,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:14,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:14,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:14" (1/1) ... [2024-11-08 23:25:14,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a3f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:14, skipping insertion in model container [2024-11-08 23:25:14,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:14" (1/1) ... [2024-11-08 23:25:14,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:15,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:15,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:15,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:16,127 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:16,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16 WrapperNode [2024-11-08 23:25:16,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:16,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:16,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:16,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:16,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,215 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 44 [2024-11-08 23:25:16,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:16,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:16,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:16,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:16,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:16,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:16,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:16,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:16,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:16,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:16,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:25:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:25:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:16,499 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:16,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:16,633 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 23:25:16,633 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:16,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:25:16,694 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:25:16,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:16 BoogieIcfgContainer [2024-11-08 23:25:16,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:25:16,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:25:16,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:25:16,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:25:16,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:16" (1/1) ... [2024-11-08 23:25:16,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:25:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:25:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:25:16,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:16,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:16,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:25:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:17,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:25:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:17,070 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:25:17,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:25:17 ImpRootNode [2024-11-08 23:25:17,098 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:25:17,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:25:17,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:25:17,100 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:25:17,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:16" (3/4) ... [2024-11-08 23:25:17,104 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:25:17,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:25:17,107 INFO L158 Benchmark]: Toolchain (without parser) took 2798.84ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 79.0MB in the beginning and 91.6MB in the end (delta: -12.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-08 23:25:17,108 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 85.8MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:25:17,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1818.92ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 78.6MB in the beginning and 75.6MB in the end (delta: 3.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-08 23:25:17,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.52ms. Allocated memory is still 148.9MB. Free memory was 75.6MB in the beginning and 72.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:25:17,110 INFO L158 Benchmark]: Boogie Preprocessor took 27.49ms. Allocated memory is still 148.9MB. Free memory was 72.7MB in the beginning and 71.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:25:17,111 INFO L158 Benchmark]: RCFGBuilder took 450.43ms. Allocated memory is still 148.9MB. Free memory was 71.4MB in the beginning and 107.4MB in the end (delta: -36.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-08 23:25:17,112 INFO L158 Benchmark]: CodeCheck took 403.02ms. Allocated memory is still 148.9MB. Free memory was 107.4MB in the beginning and 92.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:25:17,113 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 148.9MB. Free memory was 92.7MB in the beginning and 91.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:25:17,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 85.8MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1818.92ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 78.6MB in the beginning and 75.6MB in the end (delta: 3.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.52ms. Allocated memory is still 148.9MB. Free memory was 75.6MB in the beginning and 72.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.49ms. Allocated memory is still 148.9MB. Free memory was 72.7MB in the beginning and 71.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.43ms. Allocated memory is still 148.9MB. Free memory was 71.4MB in the beginning and 107.4MB in the end (delta: -36.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * CodeCheck took 403.02ms. Allocated memory is still 148.9MB. Free memory was 107.4MB in the beginning and 92.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 148.9MB. Free memory was 92.7MB in the beginning and 91.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:25:17,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk --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 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:20,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:20,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:25:20,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:20,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:20,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:20,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:20,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:20,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:20,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:20,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:20,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:20,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:20,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:20,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:25:20,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:25:20,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:20,226 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:25:20,227 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:25:20,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:25:20,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:20,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:20,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:20,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:20,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:20,237 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:20,237 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:25:20,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:20,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:20,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:20,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:20,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:20,239 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:25:20,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:20,240 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:25:20,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8de727db7235fd8c2c07170bfd6d3c96ac85382371cb659b263f75b359b46efa [2024-11-08 23:25:20,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:20,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:20,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:20,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:20,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:20,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i Unable to find full path for "g++" [2024-11-08 23:25:23,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:23,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:23,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_53_bad.i [2024-11-08 23:25:23,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data/1b29561ab/24e0485b072b4133bcb3c38f53cf84c7/FLAG67857633f [2024-11-08 23:25:24,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/data/1b29561ab/24e0485b072b4133bcb3c38f53cf84c7 [2024-11-08 23:25:24,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:24,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:24,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:24,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:24,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:24,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:24,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439b0b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24, skipping insertion in model container [2024-11-08 23:25:24,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:24,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:25,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:25,751 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:25,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:26,094 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:26,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26 WrapperNode [2024-11-08 23:25:26,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:26,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:26,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:26,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:26,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,160 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 44 [2024-11-08 23:25:26,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:26,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:26,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:26,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:26,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:26,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:26,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:26,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:26,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:26,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:26,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:26,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:25:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:25:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:26,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:26,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:26,616 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:25:26,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:26,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:25:26,712 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:25:26,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:26 BoogieIcfgContainer [2024-11-08 23:25:26,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:25:26,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:25:26,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:25:26,731 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:25:26,732 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:26" (1/1) ... [2024-11-08 23:25:26,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:25:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:25:26,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:25:26,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:26,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:26,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:26,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:26,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:25:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:27,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:25:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:27,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:25:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:25:27,220 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:25:27,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:27,226 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:25:27,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:25:27 ImpRootNode [2024-11-08 23:25:27,263 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:25:27,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:25:27,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:25:27,267 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:25:27,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:26" (3/4) ... [2024-11-08 23:25:27,271 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:25:27,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:25:27,274 INFO L158 Benchmark]: Toolchain (without parser) took 2872.19ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 52.6MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,275 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 29.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1690.87ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 43.9MB in the end (delta: -997.6kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.71ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,279 INFO L158 Benchmark]: Boogie Preprocessor took 32.30ms. Allocated memory is still 88.1MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,280 INFO L158 Benchmark]: RCFGBuilder took 519.08ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 45.2MB in the end (delta: -6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,281 INFO L158 Benchmark]: CodeCheck took 549.12ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 53.1MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:25:27,282 INFO L158 Benchmark]: Witness Printer took 8.65ms. Allocated memory is still 88.1MB. Free memory was 53.1MB in the beginning and 52.6MB in the end (delta: 463.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:25:27,289 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_sub_53d_badSink(data) [L1577] data - 1 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 0.39ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 29.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1690.87ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 43.9MB in the end (delta: -997.6kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.71ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.30ms. Allocated memory is still 88.1MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.08ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 45.2MB in the end (delta: -6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 549.12ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 53.1MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.65ms. Allocated memory is still 88.1MB. Free memory was 53.1MB in the beginning and 52.6MB in the end (delta: 463.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:25:27,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d4a751-b614-469d-8a5f-1674184b3e01/bin/ukojak-verify-ImItNfHLgk/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