./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_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_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/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_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/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_2d1632dc-86f3-45fc-b769-81c00048cce9/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 1616e5d070d619b5295f4b2ffd6ed618cbcddd96489f4934349e42bfaf94ef4c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:22,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:22,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:16:22,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:22,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:22,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:22,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:22,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:22,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:22,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:22,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:22,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:22,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:22,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:22,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:22,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:22,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:22,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:22,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:22,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:22,835 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:22,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:22,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:22,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:22,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:22,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:22,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:22,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:22,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:22,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:22,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:22,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:22,842 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_2d1632dc-86f3-45fc-b769-81c00048cce9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1616e5d070d619b5295f4b2ffd6ed618cbcddd96489f4934349e42bfaf94ef4c [2023-11-24 22:16:23,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:23,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:23,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:23,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:23,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:23,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_bad.i [2023-11-24 22:16:26,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:26,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:26,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_bad.i [2023-11-24 22:16:26,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data/ca9b426a5/7823b855ba1748eb82d603d7577261d6/FLAGad6d62dd2 [2023-11-24 22:16:26,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data/ca9b426a5/7823b855ba1748eb82d603d7577261d6 [2023-11-24 22:16:26,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:26,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:26,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:26,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:26,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:26,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a09ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26, skipping insertion in model container [2023-11-24 22:16:26,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:27,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:27,919 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:28,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:28,232 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:28,232 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:28,233 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:28,235 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:28,242 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:28,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28 WrapperNode [2023-11-24 22:16:28,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:28,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:28,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:28,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:28,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,300 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2023-11-24 22:16:28,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:28,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:28,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:28,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:28,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:28,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:28,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:28,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:28,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:28,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:28,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:28,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:16:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:16:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:16:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:28,585 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:28,587 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:28,696 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:28,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:28,760 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:16:28,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:28 BoogieIcfgContainer [2023-11-24 22:16:28,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:28,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:28,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:28,773 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:28,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:28" (1/1) ... [2023-11-24 22:16:28,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:16:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:16:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:28,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:28,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:29,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:29,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:29,233 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:16:29,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:16:29,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:29 ImpRootNode [2023-11-24 22:16:29,270 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:29,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:29,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:29,274 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:29,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:28" (3/4) ... [2023-11-24 22:16:29,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:16:29,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:29,282 INFO L158 Benchmark]: Toolchain (without parser) took 2590.50ms. Allocated memory is still 182.5MB. Free memory was 140.9MB in the beginning and 89.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:29,283 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:29,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1549.03ms. Allocated memory is still 182.5MB. Free memory was 140.9MB in the beginning and 123.0MB in the end (delta: 17.9MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2023-11-24 22:16:29,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.01ms. Allocated memory is still 182.5MB. Free memory was 123.0MB in the beginning and 119.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:29,286 INFO L158 Benchmark]: Boogie Preprocessor took 29.42ms. Allocated memory is still 182.5MB. Free memory was 119.7MB in the beginning and 118.8MB in the end (delta: 856.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:29,287 INFO L158 Benchmark]: RCFGBuilder took 429.66ms. Allocated memory is still 182.5MB. Free memory was 118.8MB in the beginning and 105.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:29,288 INFO L158 Benchmark]: CodeCheck took 508.82ms. Allocated memory is still 182.5MB. Free memory was 105.0MB in the beginning and 90.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:29,289 INFO L158 Benchmark]: Witness Printer took 8.38ms. Allocated memory is still 182.5MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:29,298 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. 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); [L1562] 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) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_min_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_min_sub_61b_badSource(data) [L1569] data = (-0x7fffffff - 1) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_min_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_min_sub_61b_badSource(data) [L1555] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1549.03ms. Allocated memory is still 182.5MB. Free memory was 140.9MB in the beginning and 123.0MB in the end (delta: 17.9MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.01ms. Allocated memory is still 182.5MB. Free memory was 123.0MB in the beginning and 119.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.42ms. Allocated memory is still 182.5MB. Free memory was 119.7MB in the beginning and 118.8MB in the end (delta: 856.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.66ms. Allocated memory is still 182.5MB. Free memory was 118.8MB in the beginning and 105.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 508.82ms. Allocated memory is still 182.5MB. Free memory was 105.0MB in the beginning and 90.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.38ms. Allocated memory is still 182.5MB. Free memory is still 89.5MB. 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~nondet100 - 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 22:16:29,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/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_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/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_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/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_2d1632dc-86f3-45fc-b769-81c00048cce9/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 1616e5d070d619b5295f4b2ffd6ed618cbcddd96489f4934349e42bfaf94ef4c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:31,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:32,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:16:32,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:32,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:32,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:32,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:32,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:32,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:32,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:32,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:32,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:32,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:32,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:32,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:32,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:32,175 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:32,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:32,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:32,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:32,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:32,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:32,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:32,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:32,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:32,180 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:32,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:32,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:32,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:32,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:32,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:32,183 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:32,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:32,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:32,184 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:32,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:32,185 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_2d1632dc-86f3-45fc-b769-81c00048cce9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1616e5d070d619b5295f4b2ffd6ed618cbcddd96489f4934349e42bfaf94ef4c [2023-11-24 22:16:32,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:32,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:32,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:32,585 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:32,586 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:32,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_bad.i [2023-11-24 22:16:35,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:36,275 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:36,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_61_bad.i [2023-11-24 22:16:36,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data/cdb14a2a3/a7bddd2ff72743f8b80dd5d9c63c71fc/FLAG3926003ae [2023-11-24 22:16:36,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/data/cdb14a2a3/a7bddd2ff72743f8b80dd5d9c63c71fc [2023-11-24 22:16:36,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:36,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:36,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:36,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:36,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:36,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:36" (1/1) ... [2023-11-24 22:16:36,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8f91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:36, skipping insertion in model container [2023-11-24 22:16:36,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:36" (1/1) ... [2023-11-24 22:16:36,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:37,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:37,698 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:37,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:37,953 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:37,953 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:37,953 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:37,954 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:37,962 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:37,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37 WrapperNode [2023-11-24 22:16:37,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:37,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:37,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:37,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:37,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,042 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2023-11-24 22:16:38,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:38,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:38,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:38,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:38,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:38,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:38,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:38,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:38,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:37" (1/1) ... [2023-11-24 22:16:38,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:38,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:38,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:38,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:16:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:16:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:38,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:16:38,372 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:38,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:38,493 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:38,578 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:38,578 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:16:38,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:38 BoogieIcfgContainer [2023-11-24 22:16:38,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:38,582 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:38,582 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:38,615 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:38,617 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:38" (1/1) ... [2023-11-24 22:16:38,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:16:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:16:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:38,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:38,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:38,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:38,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:38,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:16:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:38,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:39,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:39,112 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:39,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:16:39,119 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:16:39,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 22:16:39,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:39 ImpRootNode [2023-11-24 22:16:39,159 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:39,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:39,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:39,162 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:39,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:38" (3/4) ... [2023-11-24 22:16:39,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:16:39,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:39,166 INFO L158 Benchmark]: Toolchain (without parser) took 2836.40ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 65.0MB in the end (delta: 14.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:39,167 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:39,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1624.44ms. Allocated memory is still 107.0MB. Free memory was 79.5MB in the beginning and 68.1MB in the end (delta: 11.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:39,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.21ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 65.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:39,170 INFO L158 Benchmark]: Boogie Preprocessor took 69.08ms. Allocated memory is still 107.0MB. Free memory was 65.3MB in the beginning and 63.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:39,171 INFO L158 Benchmark]: RCFGBuilder took 467.53ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 47.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:39,172 INFO L158 Benchmark]: CodeCheck took 577.38ms. Allocated memory is still 107.0MB. Free memory was 47.1MB in the beginning and 65.6MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:39,173 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 65.0MB in the end (delta: 601.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:39,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_min_sub_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_min_sub_61b_badSource(data) [L1569] data = (-0x7fffffff - 1) [L1570] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_min_sub_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_min_sub_61b_badSource(data) [L1555] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1624.44ms. Allocated memory is still 107.0MB. Free memory was 79.5MB in the beginning and 68.1MB in the end (delta: 11.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.21ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 65.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.08ms. Allocated memory is still 107.0MB. Free memory was 65.3MB in the beginning and 63.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 467.53ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 47.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 577.38ms. Allocated memory is still 107.0MB. Free memory was 47.1MB in the beginning and 65.6MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 65.0MB in the end (delta: 601.9kB). 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~nondet98 - 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 22:16:39,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1632dc-86f3-45fc-b769-81c00048cce9/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