./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_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_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/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_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/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_9d9bc57b-d148-4286-b366-d3925569454c/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 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:21,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:21,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:05:21,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:21,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:21,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:21,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:21,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:21,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:21,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:21,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:21,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:21,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:21,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:21,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:21,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:21,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:21,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:21,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:21,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:21,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:21,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:21,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:21,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:21,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:21,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:21,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:21,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:21,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:21,866 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:21,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:21,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:21,868 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_9d9bc57b-d148-4286-b366-d3925569454c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 [2023-11-24 23:05:22,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:22,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:22,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:22,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:22,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:22,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-11-24 23:05:25,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:25,906 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:25,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-11-24 23:05:25,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data/26ffc4ce2/cdb1e22189eb4ed3a04fd6364165d846/FLAG32a0e03bc [2023-11-24 23:05:25,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data/26ffc4ce2/cdb1e22189eb4ed3a04fd6364165d846 [2023-11-24 23:05:25,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:25,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:25,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:25,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:25,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:25,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:25" (1/1) ... [2023-11-24 23:05:25,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19375d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:25, skipping insertion in model container [2023-11-24 23:05:25,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:25" (1/1) ... [2023-11-24 23:05:26,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:27,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:27,079 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:27,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:27,381 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:27,381 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:27,381 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:27,382 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:27,390 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:27,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27 WrapperNode [2023-11-24 23:05:27,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:27,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:27,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:27,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:27,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,479 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2023-11-24 23:05:27,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:27,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:27,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:27,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:27,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:27,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:27,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:27,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:27,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:27" (1/1) ... [2023-11-24 23:05:27,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:27,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:27,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:27,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:05:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:05:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:05:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:27,795 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:27,798 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:27,980 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:28,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:28,070 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:28,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:28 BoogieIcfgContainer [2023-11-24 23:05:28,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:28,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:28,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:28,086 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:28,087 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:28" (1/1) ... [2023-11-24 23:05:28,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:05:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:05:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:28,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:28,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:28,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:28,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:28,445 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:05:28,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:05:28,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-11-24 23:05:28,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:28 ImpRootNode [2023-11-24 23:05:28,476 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:28,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:28,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:28,478 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:28,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:28" (3/4) ... [2023-11-24 23:05:28,481 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:28,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:28,483 INFO L158 Benchmark]: Toolchain (without parser) took 2523.09ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 116.7MB in the beginning and 138.3MB in the end (delta: -21.6MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-24 23:05:28,484 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 102.7MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:28,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.94ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 116.7MB in the beginning and 173.9MB in the end (delta: -57.3MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:28,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.63ms. Allocated memory is still 213.9MB. Free memory was 173.9MB in the beginning and 170.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:28,486 INFO L158 Benchmark]: Boogie Preprocessor took 39.82ms. Allocated memory is still 213.9MB. Free memory was 170.8MB in the beginning and 169.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:28,487 INFO L158 Benchmark]: RCFGBuilder took 551.36ms. Allocated memory is still 213.9MB. Free memory was 169.8MB in the beginning and 154.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:28,488 INFO L158 Benchmark]: CodeCheck took 401.85ms. Allocated memory is still 213.9MB. Free memory was 154.0MB in the beginning and 138.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:28,488 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 213.9MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:28,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_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 0.37ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 102.7MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.94ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 116.7MB in the beginning and 173.9MB in the end (delta: -57.3MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.63ms. Allocated memory is still 213.9MB. Free memory was 173.9MB in the beginning and 170.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.82ms. Allocated memory is still 213.9MB. Free memory was 170.8MB in the beginning and 169.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.36ms. Allocated memory is still 213.9MB. Free memory was 169.8MB in the beginning and 154.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 401.85ms. Allocated memory is still 213.9MB. Free memory was 154.0MB in the beginning and 138.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 213.9MB. Free memory is still 138.3MB. 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 Unfinished Backtranslation: IdentifierExpression #t~post101 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 23:05:28,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/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_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/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_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/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_9d9bc57b-d148-4286-b366-d3925569454c/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 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:31,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:31,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:05:31,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:31,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:31,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:31,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:31,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:31,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:31,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:31,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:31,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:31,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:31,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:31,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:31,487 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:31,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:31,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:31,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:31,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:31,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:31,492 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:31,492 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:31,493 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:31,494 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:31,494 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:31,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:31,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:31,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:31,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:31,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:31,498 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:31,499 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:31,499 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:31,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:31,500 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:31,501 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_9d9bc57b-d148-4286-b366-d3925569454c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 [2023-11-24 23:05:31,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:31,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:31,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:31,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:31,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:31,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-11-24 23:05:35,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:36,036 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:36,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-11-24 23:05:36,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data/49baf77ed/2eb3f72ebb694a13bd29c131e05f7494/FLAG1f057c26c [2023-11-24 23:05:36,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/data/49baf77ed/2eb3f72ebb694a13bd29c131e05f7494 [2023-11-24 23:05:36,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:36,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:36,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:36,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:36,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:36,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:36" (1/1) ... [2023-11-24 23:05:36,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dbf3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:36, skipping insertion in model container [2023-11-24 23:05:36,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:36" (1/1) ... [2023-11-24 23:05:36,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:37,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:37,303 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:37,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:37,640 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:37,640 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:37,641 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:37,641 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:37,649 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:37,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37 WrapperNode [2023-11-24 23:05:37,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:37,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:37,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:37,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:37,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,730 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2023-11-24 23:05:37,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:37,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:37,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:37,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:37,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:37,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:37,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:37,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:37,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:37" (1/1) ... [2023-11-24 23:05:37,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:37,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:37,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:37,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:05:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:05:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:05:38,108 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:38,111 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:38,297 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:38,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:38,373 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:05:38,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:38 BoogieIcfgContainer [2023-11-24 23:05:38,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:38,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:38,377 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:38,387 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:38,390 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:38" (1/1) ... [2023-11-24 23:05:38,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:05:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:05:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:38,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:05:38,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:05:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:05:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:38,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:38,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:38,823 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:05:38,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:05:38,832 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:05:38,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:05:38,880 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-11-24 23:05:38,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:38 ImpRootNode [2023-11-24 23:05:38,884 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:38,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:38,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:38,885 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:38,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:38" (3/4) ... [2023-11-24 23:05:38,887 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:38,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:38,895 INFO L158 Benchmark]: Toolchain (without parser) took 2770.26ms. Allocated memory is still 111.1MB. Free memory was 83.1MB in the beginning and 57.6MB in the end (delta: 25.4MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:38,896 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:38,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.90ms. Allocated memory is still 111.1MB. Free memory was 83.1MB in the beginning and 51.0MB in the end (delta: 32.1MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:38,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.46ms. Allocated memory is still 111.1MB. Free memory was 51.0MB in the beginning and 48.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:05:38,898 INFO L158 Benchmark]: Boogie Preprocessor took 38.08ms. Allocated memory is still 111.1MB. Free memory was 48.0MB in the beginning and 45.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:38,899 INFO L158 Benchmark]: RCFGBuilder took 605.11ms. Allocated memory is still 111.1MB. Free memory was 45.9MB in the beginning and 72.4MB in the end (delta: -26.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:38,900 INFO L158 Benchmark]: CodeCheck took 507.30ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 57.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:38,900 INFO L158 Benchmark]: Witness Printer took 10.21ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:38,904 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: 0.4s, 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_min_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_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 0.66ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.90ms. Allocated memory is still 111.1MB. Free memory was 83.1MB in the beginning and 51.0MB in the end (delta: 32.1MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.46ms. Allocated memory is still 111.1MB. Free memory was 51.0MB in the beginning and 48.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.08ms. Allocated memory is still 111.1MB. Free memory was 48.0MB in the beginning and 45.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.11ms. Allocated memory is still 111.1MB. Free memory was 45.9MB in the beginning and 72.4MB in the end (delta: -26.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * CodeCheck took 507.30ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 57.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 10.21ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. 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~nondet97 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 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 23:05:38,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9bc57b-d148-4286-b366-d3925569454c/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