./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi --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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:13,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:13,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:03:13,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:13,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:13,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:13,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:13,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:13,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:13,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:13,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:13,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:13,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:13,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:13,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:13,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:13,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:13,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:03:13,360 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:13,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:13,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:13,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:13,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:13,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:13,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:13,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:13,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:13,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:13,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:13,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:13,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:13,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:13,369 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_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2023-11-24 23:03:13,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:13,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:13,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:13,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:13,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:13,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2023-11-24 23:03:16,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:17,435 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:17,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2023-11-24 23:03:17,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data/73aa1da3f/b678278beead47bc94c9bf0052895be6/FLAG79d7bc26a [2023-11-24 23:03:17,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data/73aa1da3f/b678278beead47bc94c9bf0052895be6 [2023-11-24 23:03:17,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:17,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:17,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:17,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:17,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:17,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:17" (1/1) ... [2023-11-24 23:03:17,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4096621a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:17, skipping insertion in model container [2023-11-24 23:03:17,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:17" (1/1) ... [2023-11-24 23:03:17,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:18,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:18,705 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:18,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:18,968 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:18,968 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:18,969 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:18,969 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:18,978 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:18,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18 WrapperNode [2023-11-24 23:03:18,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:18,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:18,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:18,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:18,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,045 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2023-11-24 23:03:19,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:19,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:19,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:19,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:19,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:19,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:19,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:19,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:19,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:19,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:19,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:19,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:03:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:03:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:03:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:19,362 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:19,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:19,581 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:19,878 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:19,879 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:03:19,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:19 BoogieIcfgContainer [2023-11-24 23:03:19,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:19,882 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:19,882 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:19,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:19,893 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:19" (1/1) ... [2023-11-24 23:03:19,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:20,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:03:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:03:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:03:20,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:20,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:20,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:20,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:20,912 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:03:20,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-11-24 23:03:20,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:20 ImpRootNode [2023-11-24 23:03:20,951 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:20,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:20,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:20,955 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:20,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:19" (3/4) ... [2023-11-24 23:03:20,962 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:20,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:20,965 INFO L158 Benchmark]: Toolchain (without parser) took 3464.93ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 109.3MB in the beginning and 143.7MB in the end (delta: -34.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-24 23:03:20,966 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 104.0MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:20,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1475.93ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 108.9MB in the beginning and 160.2MB in the end (delta: -51.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2023-11-24 23:03:20,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.38ms. Allocated memory is still 224.4MB. Free memory was 160.2MB in the beginning and 157.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:20,969 INFO L158 Benchmark]: Boogie Preprocessor took 31.48ms. Allocated memory is still 224.4MB. Free memory was 157.1MB in the beginning and 155.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:20,970 INFO L158 Benchmark]: RCFGBuilder took 802.18ms. Allocated memory is still 224.4MB. Free memory was 155.0MB in the beginning and 117.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 23:03:20,971 INFO L158 Benchmark]: CodeCheck took 1069.99ms. Allocated memory is still 224.4MB. Free memory was 117.3MB in the beginning and 143.7MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:20,971 INFO L158 Benchmark]: Witness Printer took 8.55ms. Allocated memory is still 224.4MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:20,980 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: 1.0s, 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, 0.1s 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: 1555]: 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 1563, overapproximation of bitwiseOr 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); [L1563] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 104.0MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1475.93ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 108.9MB in the beginning and 160.2MB in the end (delta: -51.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.38ms. Allocated memory is still 224.4MB. Free memory was 160.2MB in the beginning and 157.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.48ms. Allocated memory is still 224.4MB. Free memory was 157.1MB in the beginning and 155.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 802.18ms. Allocated memory is still 224.4MB. Free memory was 155.0MB in the beginning and 117.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1069.99ms. Allocated memory is still 224.4MB. Free memory was 117.3MB in the beginning and 143.7MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.55ms. Allocated memory is still 224.4MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:03:21,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi --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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:23,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:23,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:03:23,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:23,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:23,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:23,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:23,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:23,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:23,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:23,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:23,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:23,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:23,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:23,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:03:23,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:03:23,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:03:23,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:03:23,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:23,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:23,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:23,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:23,901 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:23,901 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:23,902 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:23,902 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:23,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:23,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:23,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:23,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:23,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:23,906 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:03:23,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:23,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:23,907 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:03:23,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:23,907 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2023-11-24 23:03:24,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:24,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:24,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:24,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:24,325 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:24,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2023-11-24 23:03:27,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:28,047 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:28,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2023-11-24 23:03:28,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data/aac44a3af/327cab6868be428aa3bea9f2b4a29651/FLAGdef10490e [2023-11-24 23:03:28,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/data/aac44a3af/327cab6868be428aa3bea9f2b4a29651 [2023-11-24 23:03:28,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:28,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:28,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:28,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:28,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:28,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228dfba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:28, skipping insertion in model container [2023-11-24 23:03:28,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:28" (1/1) ... [2023-11-24 23:03:28,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:29,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:29,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:29,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:29,756 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:29,756 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:29,757 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:29,757 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:29,765 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:29,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29 WrapperNode [2023-11-24 23:03:29,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:29,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:29,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:29,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:29,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,863 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-11-24 23:03:29,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:29,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:29,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:29,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:29,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:29,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:29,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:29,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:29,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:29,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:29,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:30,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:03:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:03:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:03:30,200 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:30,203 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:30,390 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:30,473 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:30,473 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:03:30,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:30 BoogieIcfgContainer [2023-11-24 23:03:30,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:30,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:30,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:30,486 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:30,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:30" (1/1) ... [2023-11-24 23:03:30,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:03:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:03:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:03:30,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:30,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:30,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:30,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:30,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:03:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:30,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:30,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:31,005 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:03:31,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:03:31,009 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:03:31,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:03:31,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:31 ImpRootNode [2023-11-24 23:03:31,039 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:31,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:31,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:31,042 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:31,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:30" (3/4) ... [2023-11-24 23:03:31,045 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:31,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:31,047 INFO L158 Benchmark]: Toolchain (without parser) took 2934.46ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 47.6MB in the beginning and 74.8MB in the end (delta: -27.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:31,048 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:31,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1648.46ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 47.4MB in the beginning and 53.1MB in the end (delta: -5.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-24 23:03:31,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.58ms. Allocated memory is still 107.0MB. Free memory was 53.1MB in the beginning and 50.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:31,050 INFO L158 Benchmark]: Boogie Preprocessor took 94.92ms. Allocated memory is still 107.0MB. Free memory was 50.1MB in the beginning and 78.7MB in the end (delta: -28.6MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-24 23:03:31,052 INFO L158 Benchmark]: RCFGBuilder took 514.96ms. Allocated memory is still 107.0MB. Free memory was 78.7MB in the beginning and 59.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:03:31,052 INFO L158 Benchmark]: CodeCheck took 563.33ms. Allocated memory is still 107.0MB. Free memory was 59.8MB in the beginning and 75.4MB in the end (delta: -15.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-24 23:03:31,053 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 107.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:31,064 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: 1555]: 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 1563. 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); [L1563] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1648.46ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 47.4MB in the beginning and 53.1MB in the end (delta: -5.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.58ms. Allocated memory is still 107.0MB. Free memory was 53.1MB in the beginning and 50.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.92ms. Allocated memory is still 107.0MB. Free memory was 50.1MB in the beginning and 78.7MB in the end (delta: -28.6MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * RCFGBuilder took 514.96ms. Allocated memory is still 107.0MB. Free memory was 78.7MB in the beginning and 59.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 563.33ms. Allocated memory is still 107.0MB. Free memory was 59.8MB in the beginning and 75.4MB in the end (delta: -15.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 107.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:03:31,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79f1c9-0fe7-4f7d-8f79-5afc077a8400/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample