./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/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_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/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_1a35001b-434e-4f5f-ab12-38723967a143/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 eb89d8edf481dc870b691a5a7b868cef964e1f51f47d3ac9131c53c67c53a7fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:24,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:24,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:15:24,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:24,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:24,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:24,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:24,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:24,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:24,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:24,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:24,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:24,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:24,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:24,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:24,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:24,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:24,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:24,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:24,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:24,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:24,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:24,337 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:24,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:24,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:24,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:24,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:24,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:24,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:24,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:24,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:24,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:24,341 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_1a35001b-434e-4f5f-ab12-38723967a143/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb89d8edf481dc870b691a5a7b868cef964e1f51f47d3ac9131c53c67c53a7fc [2023-11-24 22:15:24,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:24,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:24,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:24,691 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:24,692 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:24,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_64_bad.i [2023-11-24 22:15:27,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:28,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:28,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_64_bad.i [2023-11-24 22:15:28,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data/333ba680b/6d309953d3b84cddaa926c5180885e02/FLAG0435af608 [2023-11-24 22:15:28,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data/333ba680b/6d309953d3b84cddaa926c5180885e02 [2023-11-24 22:15:28,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:28,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:28,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:28,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:28,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cebfa60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28, skipping insertion in model container [2023-11-24 22:15:28,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:29,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:29,444 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:29,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:29,668 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:29,668 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:29,668 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:29,668 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:29,676 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:29,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29 WrapperNode [2023-11-24 22:15:29,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:29,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:29,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:29,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:29,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,736 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2023-11-24 22:15:29,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:29,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:29,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:29,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:29,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:29,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:29,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:29,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:29,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:29,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:29,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:29,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:15:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:15:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:15:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:15:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:15:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:15:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:30,076 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:30,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:30,204 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:30,282 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:30,282 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:15:30,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:30 BoogieIcfgContainer [2023-11-24 22:15:30,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:30,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:30,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:30,294 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:30,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:15:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:15:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:30,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:30,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:30,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:30,732 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:15:30,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:15:30,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:15:30 ImpRootNode [2023-11-24 22:15:30,759 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:15:30,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:15:30,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:15:30,765 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:15:30,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:30" (3/4) ... [2023-11-24 22:15:30,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:15:30,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:15:30,772 INFO L158 Benchmark]: Toolchain (without parser) took 2491.28ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 112.2MB in the end (delta: 35.6MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-24 22:15:30,773 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:30,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.25ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 88.1MB in the end (delta: 59.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 22:15:30,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.82ms. Allocated memory is still 178.3MB. Free memory was 88.1MB in the beginning and 85.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:30,776 INFO L158 Benchmark]: Boogie Preprocessor took 80.75ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 145.7MB in the end (delta: -60.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:15:30,777 INFO L158 Benchmark]: RCFGBuilder took 465.02ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 131.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:15:30,778 INFO L158 Benchmark]: CodeCheck took 475.18ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 113.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:15:30,779 INFO L158 Benchmark]: Witness Printer took 7.18ms. Allocated memory is still 178.3MB. Free memory was 113.2MB in the beginning and 112.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:30,790 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: 1569]: 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)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={11799:0}, dataVoidPtr={11799:0}, dataVoidPtr={11799:0}, 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 0.33ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.25ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 88.1MB in the end (delta: 59.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.82ms. Allocated memory is still 178.3MB. Free memory was 88.1MB in the beginning and 85.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.75ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 145.7MB in the end (delta: -60.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 465.02ms. Allocated memory is still 178.3MB. Free memory was 145.7MB in the beginning and 131.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 475.18ms. Allocated memory is still 178.3MB. Free memory was 131.1MB in the beginning and 113.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.18ms. Allocated memory is still 178.3MB. Free memory was 113.2MB in the beginning and 112.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:15:30,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/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_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/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_1a35001b-434e-4f5f-ab12-38723967a143/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 eb89d8edf481dc870b691a5a7b868cef964e1f51f47d3ac9131c53c67c53a7fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:33,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:33,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:15:33,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:33,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:33,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:33,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:33,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:33,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:33,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:33,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:33,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:33,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:33,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:33,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:15:33,622 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:15:33,627 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:33,628 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:15:33,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:33,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:33,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:33,631 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:33,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:33,632 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:33,632 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:33,633 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:33,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:33,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:33,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:33,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:33,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:33,637 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:15:33,637 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:33,637 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:33,638 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:15:33,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:33,638 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_1a35001b-434e-4f5f-ab12-38723967a143/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb89d8edf481dc870b691a5a7b868cef964e1f51f47d3ac9131c53c67c53a7fc [2023-11-24 22:15:34,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:34,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:34,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:34,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:34,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:34,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_64_bad.i [2023-11-24 22:15:37,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:37,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:37,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_64_bad.i [2023-11-24 22:15:38,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data/88814373f/fb8181c944da488ebc80c9f441c490fd/FLAGd6169a24c [2023-11-24 22:15:38,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/data/88814373f/fb8181c944da488ebc80c9f441c490fd [2023-11-24 22:15:38,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:38,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:38,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:38,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:38,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:38,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:38" (1/1) ... [2023-11-24 22:15:38,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47440648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:38, skipping insertion in model container [2023-11-24 22:15:38,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:38" (1/1) ... [2023-11-24 22:15:38,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:39,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:39,287 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:15:39,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:39,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:39,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:39,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:39,677 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:39,677 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:39,677 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:39,678 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:39,685 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:39,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39 WrapperNode [2023-11-24 22:15:39,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:39,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:39,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:39,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:39,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,769 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2023-11-24 22:15:39,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:39,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:39,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:39,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:39,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:39,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:39,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:39,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:39,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:39,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:39,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:39,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:15:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:15:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:15:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:15:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:15:40,127 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:40,131 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:40,530 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:40,585 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:40,594 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:15:40,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:40 BoogieIcfgContainer [2023-11-24 22:15:40,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:40,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:40,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:40,607 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:40,607 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:40" (1/1) ... [2023-11-24 22:15:40,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:15:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:15:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:40,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:40,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:15:40,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:15:40,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:15:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:40,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:41,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:41,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:15:41,712 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:15:41,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:15:41,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:15:41 ImpRootNode [2023-11-24 22:15:41,741 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:15:41,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:15:41,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:15:41,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:15:41,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:40" (3/4) ... [2023-11-24 22:15:41,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:15:41,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:15:41,747 INFO L158 Benchmark]: Toolchain (without parser) took 3713.99ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 58.7MB in the beginning and 73.6MB in the end (delta: -14.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-24 22:15:41,748 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:41,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1650.35ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 58.5MB in the beginning and 54.4MB in the end (delta: 4.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-24 22:15:41,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.36ms. Allocated memory is still 115.3MB. Free memory was 54.4MB in the beginning and 83.4MB in the end (delta: -28.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-24 22:15:41,750 INFO L158 Benchmark]: Boogie Preprocessor took 62.80ms. Allocated memory is still 115.3MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:41,751 INFO L158 Benchmark]: RCFGBuilder took 762.23ms. Allocated memory is still 115.3MB. Free memory was 81.3MB in the beginning and 63.7MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:15:41,752 INFO L158 Benchmark]: CodeCheck took 1144.21ms. Allocated memory is still 115.3MB. Free memory was 63.7MB in the beginning and 73.6MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:41,752 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 115.3MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:41,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 0.2s 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: 1569]: 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_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={7:0}, dataVoidPtr={7:0}, dataVoidPtr={7:0}, 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 0.64ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1650.35ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 58.5MB in the beginning and 54.4MB in the end (delta: 4.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.36ms. Allocated memory is still 115.3MB. Free memory was 54.4MB in the beginning and 83.4MB in the end (delta: -28.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.80ms. Allocated memory is still 115.3MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 762.23ms. Allocated memory is still 115.3MB. Free memory was 81.3MB in the beginning and 63.7MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1144.21ms. Allocated memory is still 115.3MB. Free memory was 63.7MB in the beginning and 73.6MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 115.3MB. Free memory is still 73.6MB. 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 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 22:15:41,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a35001b-434e-4f5f-ab12-38723967a143/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