./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/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_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/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_e1cb8a8c-3ae3-4613-85ee-291721260da9/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 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:58,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:58,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:00:58,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:58,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:58,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:58,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:58,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:58,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:58,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:58,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:58,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:58,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:58,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:58,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:58,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:58,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:58,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:58,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:58,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:58,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:58,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:58,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:58,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:58,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:58,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:58,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:58,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:58,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:58,801 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:58,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:58,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:58,803 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_e1cb8a8c-3ae3-4613-85ee-291721260da9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b [2023-11-24 23:00:59,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:59,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:59,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:59,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:59,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:59,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i [2023-11-24 23:01:02,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:02,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:02,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i [2023-11-24 23:01:02,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data/1db1697d8/db175d702742421693a807f7aae656c3/FLAG3d757db37 [2023-11-24 23:01:02,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data/1db1697d8/db175d702742421693a807f7aae656c3 [2023-11-24 23:01:02,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:02,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:02,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:02,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:02,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:02,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36648b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:02, skipping insertion in model container [2023-11-24 23:01:02,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:02" (1/1) ... [2023-11-24 23:01:02,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:04,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:04,236 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:04,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:04,548 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:04,548 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:04,548 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:04,549 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:04,557 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:04,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04 WrapperNode [2023-11-24 23:01:04,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:04,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:04,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:04,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:04,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,647 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-11-24 23:01:04,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:04,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:04,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:04,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:04,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:04,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:04,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:04,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:04,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:04" (1/1) ... [2023-11-24 23:01:04,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:04,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:04,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:04,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:01:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:01:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:01:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:04,957 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:04,959 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:05,194 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:05,523 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:05,523 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:01:05,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:05 BoogieIcfgContainer [2023-11-24 23:01:05,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:05,526 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:05,526 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:05,537 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:05,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:05,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:01:05,614 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:01:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:05,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:05,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:06,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:06,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:06,386 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:01:06,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 23:01:06,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post113 could not be translated [2023-11-24 23:01:06,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:06 ImpRootNode [2023-11-24 23:01:06,419 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:01:06,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:01:06,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:01:06,420 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:01:06,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:05" (3/4) ... [2023-11-24 23:01:06,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:01:06,424 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:01:06,426 INFO L158 Benchmark]: Toolchain (without parser) took 3536.81ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 84.2MB in the beginning and 107.0MB in the end (delta: -22.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-24 23:01:06,426 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:06,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1668.36ms. Allocated memory is still 121.6MB. Free memory was 83.8MB in the beginning and 71.0MB in the end (delta: 12.9MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-24 23:01:06,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.64ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 67.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:06,428 INFO L158 Benchmark]: Boogie Preprocessor took 41.73ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 65.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:06,429 INFO L158 Benchmark]: RCFGBuilder took 834.06ms. Allocated memory is still 121.6MB. Free memory was 65.8MB in the beginning and 71.6MB in the end (delta: -5.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-24 23:01:06,430 INFO L158 Benchmark]: CodeCheck took 893.23ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 71.6MB in the beginning and 107.0MB in the end (delta: -35.4MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-24 23:01:06,430 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 159.4MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:06,434 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: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1582]: 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, overapproximation of bitwiseOr at line 1553. 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_54e_badSink(data) [L1582] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.36ms. Allocated memory is still 121.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1668.36ms. Allocated memory is still 121.6MB. Free memory was 83.8MB in the beginning and 71.0MB in the end (delta: 12.9MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.64ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 67.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.73ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 65.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 834.06ms. Allocated memory is still 121.6MB. Free memory was 65.8MB in the beginning and 71.6MB in the end (delta: -5.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * CodeCheck took 893.23ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 71.6MB in the beginning and 107.0MB in the end (delta: -35.4MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 159.4MB. Free memory is still 107.0MB. 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~nondet111 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post113 could not be translated - 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 23:01:06,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/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_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/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_e1cb8a8c-3ae3-4613-85ee-291721260da9/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 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:09,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:09,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:01:09,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:09,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:09,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:09,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:09,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:09,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:09,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:09,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:09,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:09,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:09,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:09,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:01:09,471 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:01:09,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:09,472 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:01:09,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:09,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:09,475 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:09,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:09,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:09,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:09,477 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:09,478 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:09,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:09,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:09,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:09,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:09,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:09,482 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:01:09,482 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:09,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:09,483 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:01:09,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:09,484 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_e1cb8a8c-3ae3-4613-85ee-291721260da9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 316774e4a8e293c2c0b70ac26e94e33d5e8afc33717b38a6ad3763b9517d337b [2023-11-24 23:01:09,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:09,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:09,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:09,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:09,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:09,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i [2023-11-24 23:01:13,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:13,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:13,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_54_bad.i [2023-11-24 23:01:13,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data/da8342222/b3864dfd12cf4c3c9aa28bc2137dcf77/FLAGc44c0fc8c [2023-11-24 23:01:13,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/data/da8342222/b3864dfd12cf4c3c9aa28bc2137dcf77 [2023-11-24 23:01:13,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:13,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:13,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:13,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:13,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:13,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:13" (1/1) ... [2023-11-24 23:01:13,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fafd9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:13, skipping insertion in model container [2023-11-24 23:01:13,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:13" (1/1) ... [2023-11-24 23:01:13,937 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:15,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:15,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:15,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:15,608 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:15,608 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:15,609 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:15,609 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:15,617 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:15,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15 WrapperNode [2023-11-24 23:01:15,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:15,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:15,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:15,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:15,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,688 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2023-11-24 23:01:15,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:15,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:15,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:15,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:15,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:15,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:15,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:15,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:15,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:15" (1/1) ... [2023-11-24 23:01:15,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:15,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:15,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:15,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:01:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:01:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:01:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:01:16,108 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:16,111 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:16,284 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:16,414 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:16,420 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:01:16,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:16 BoogieIcfgContainer [2023-11-24 23:01:16,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:16,424 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:16,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:16,435 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:16,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:16" (1/1) ... [2023-11-24 23:01:16,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:01:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:01:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:16,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:16,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:01:16,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:01:16,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:01:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:16,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:17,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:17,068 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:01:17,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:01:17,076 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:01:17,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 23:01:17,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post107 could not be translated [2023-11-24 23:01:17,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:17 ImpRootNode [2023-11-24 23:01:17,119 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:01:17,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:01:17,122 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:01:17,122 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:01:17,123 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:16" (3/4) ... [2023-11-24 23:01:17,126 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:01:17,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:01:17,129 INFO L158 Benchmark]: Toolchain (without parser) took 3294.25ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 69.7MB in the beginning and 80.4MB in the end (delta: -10.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-24 23:01:17,130 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 61.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:17,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.28ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 47.5MB in the end (delta: 22.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-24 23:01:17,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.10ms. Allocated memory is still 96.5MB. Free memory was 47.5MB in the beginning and 44.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:17,133 INFO L158 Benchmark]: Boogie Preprocessor took 113.15ms. Allocated memory is still 96.5MB. Free memory was 44.3MB in the beginning and 69.2MB in the end (delta: -24.9MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-11-24 23:01:17,134 INFO L158 Benchmark]: RCFGBuilder took 617.05ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 49.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:01:17,135 INFO L158 Benchmark]: CodeCheck took 695.50ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 80.4MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:17,135 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 117.4MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:17,146 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1582]: 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_54e_badSink(data) [L1582] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.73ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 61.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.28ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 47.5MB in the end (delta: 22.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.10ms. Allocated memory is still 96.5MB. Free memory was 47.5MB in the beginning and 44.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.15ms. Allocated memory is still 96.5MB. Free memory was 44.3MB in the beginning and 69.2MB in the end (delta: -24.9MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 617.05ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 49.7MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 695.50ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 80.4MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 117.4MB. Free memory is still 80.4MB. 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~nondet105 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post107 could not be translated - 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 23:01:17,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1cb8a8c-3ae3-4613-85ee-291721260da9/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