./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_64_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_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/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_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/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_d99bd621-5b90-405a-aa8c-acddf042d9dc/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 8059a7c52a1a8f004567e3005e2681f3d02b5c6110e2b65f22470b0d8c190da5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:11,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:11,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:19:11,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:11,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:11,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:11,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:11,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:11,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:11,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:11,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:11,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:11,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:11,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:11,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:11,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:11,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:11,434 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:11,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:11,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:11,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:11,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:11,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:11,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:11,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:11,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:11,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:11,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:11,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:11,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:11,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:11,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:11,442 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_d99bd621-5b90-405a-aa8c-acddf042d9dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8059a7c52a1a8f004567e3005e2681f3d02b5c6110e2b65f22470b0d8c190da5 [2023-11-24 22:19:11,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:11,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:11,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:11,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:11,742 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:11,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_64_bad.i [2023-11-24 22:19:15,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:15,508 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:15,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_64_bad.i [2023-11-24 22:19:15,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data/0e1103423/a02299841e3942c3bc0699d955c988dd/FLAGc97a12228 [2023-11-24 22:19:15,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data/0e1103423/a02299841e3942c3bc0699d955c988dd [2023-11-24 22:19:15,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:15,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:15,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:15,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:15,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:15,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575f49fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15, skipping insertion in model container [2023-11-24 22:19:15,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:16,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:16,913 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:17,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:17,268 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:17,269 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:17,269 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:17,269 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:17,280 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:17,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17 WrapperNode [2023-11-24 22:19:17,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:17,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:17,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:17,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:17,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,362 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-11-24 22:19:17,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:17,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:17,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:17,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:17,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:17,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:17,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:17,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:17,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:17" (1/1) ... [2023-11-24 22:19:17,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:17,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:17,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:17,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:19:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:19:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:19:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:17,794 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:17,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:18,010 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:18,092 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:18,093 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:19:18,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:18 BoogieIcfgContainer [2023-11-24 22:19:18,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:18,099 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:18,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:18,112 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:18,113 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:18" (1/1) ... [2023-11-24 22:19:18,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:19:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:19:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:18,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:18,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:18,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:18,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:18,572 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:19:18,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:19:18,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:18 ImpRootNode [2023-11-24 22:19:18,611 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:18,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:18,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:18,616 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:18,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:18" (3/4) ... [2023-11-24 22:19:18,623 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:19:18,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:18,625 INFO L158 Benchmark]: Toolchain (without parser) took 3038.19ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 82.9MB in the beginning and 138.6MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:18,626 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:18,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1693.06ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 82.6MB in the beginning and 101.8MB in the end (delta: -19.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-24 22:19:18,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.07ms. Allocated memory is still 178.3MB. Free memory was 101.8MB in the beginning and 98.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:18,629 INFO L158 Benchmark]: Boogie Preprocessor took 52.71ms. Allocated memory is still 178.3MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:18,630 INFO L158 Benchmark]: RCFGBuilder took 680.87ms. Allocated memory is still 178.3MB. Free memory was 96.5MB in the beginning and 82.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:19:18,632 INFO L158 Benchmark]: CodeCheck took 513.06ms. Allocated memory is still 178.3MB. Free memory was 82.9MB in the beginning and 138.6MB in the end (delta: -55.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:18,633 INFO L158 Benchmark]: Witness Printer took 8.33ms. Allocated memory is still 178.3MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:18,644 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={32289:0}, dataVoidPtr={32289:0}, dataVoidPtr={32289:0}, 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 0.19ms. Allocated memory is still 142.6MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1693.06ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 82.6MB in the beginning and 101.8MB in the end (delta: -19.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.07ms. Allocated memory is still 178.3MB. Free memory was 101.8MB in the beginning and 98.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.71ms. Allocated memory is still 178.3MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.87ms. Allocated memory is still 178.3MB. Free memory was 96.5MB in the beginning and 82.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 513.06ms. Allocated memory is still 178.3MB. Free memory was 82.9MB in the beginning and 138.6MB in the end (delta: -55.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.33ms. Allocated memory is still 178.3MB. Free memory is still 138.6MB. 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~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 22:19:18,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/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_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/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_d99bd621-5b90-405a-aa8c-acddf042d9dc/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 8059a7c52a1a8f004567e3005e2681f3d02b5c6110e2b65f22470b0d8c190da5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:21,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:21,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:19:21,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:21,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:21,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:21,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:21,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:21,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:21,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:21,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:21,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:21,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:21,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:21,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:19:21,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:19:21,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:19:21,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:19:21,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:21,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:21,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:21,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:21,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:21,791 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:21,791 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:21,792 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:21,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:21,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:21,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:21,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:21,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:21,795 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:19:21,795 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:21,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:21,796 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:19:21,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:21,797 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_d99bd621-5b90-405a-aa8c-acddf042d9dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8059a7c52a1a8f004567e3005e2681f3d02b5c6110e2b65f22470b0d8c190da5 [2023-11-24 22:19:22,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:22,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:22,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:22,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:22,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:22,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_64_bad.i [2023-11-24 22:19:25,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:26,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:26,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_64_bad.i [2023-11-24 22:19:26,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data/2db11a984/3ce45b78ebcf4a44990fecb59ecb9c74/FLAGb20a1cce3 [2023-11-24 22:19:26,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/data/2db11a984/3ce45b78ebcf4a44990fecb59ecb9c74 [2023-11-24 22:19:26,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:26,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:26,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:26,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:26,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:26,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187ea351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:26, skipping insertion in model container [2023-11-24 22:19:26,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:27,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:27,892 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:19:27,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:27,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:27,977 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:28,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:28,200 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:28,200 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:28,200 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:28,200 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:28,207 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:28,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28 WrapperNode [2023-11-24 22:19:28,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:28,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:28,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:28,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:28,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,292 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-11-24 22:19:28,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:28,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:28,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:28,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:28,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:28,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:28,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:28,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:28,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:28" (1/1) ... [2023-11-24 22:19:28,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:28,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:28,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:19:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:19:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:19:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:19:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:19:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:19:28,638 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:28,642 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:29,084 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:29,172 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:29,173 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:19:29,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:29 BoogieIcfgContainer [2023-11-24 22:19:29,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:29,176 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:29,176 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:29,186 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:29,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:29" (1/1) ... [2023-11-24 22:19:29,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:29,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:19:29,277 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:19:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:29,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:29,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:29,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:29,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:19:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:29,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:30,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:30,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:19:30,465 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:19:30,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:19:30,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:30 ImpRootNode [2023-11-24 22:19:30,500 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:30,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:30,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:30,502 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:30,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:29" (3/4) ... [2023-11-24 22:19:30,505 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:19:30,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:30,508 INFO L158 Benchmark]: Toolchain (without parser) took 4083.44ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 56.5MB in the beginning and 50.8MB in the end (delta: 5.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-24 22:19:30,508 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:30,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1780.66ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 54.2MB in the end (delta: 2.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-24 22:19:30,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.69ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 51.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:30,511 INFO L158 Benchmark]: Boogie Preprocessor took 43.58ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:30,512 INFO L158 Benchmark]: RCFGBuilder took 837.59ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 32.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:19:30,513 INFO L158 Benchmark]: CodeCheck took 1324.65ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 32.0MB in the beginning and 51.4MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:30,514 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 100.7MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:30,520 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: 1.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s 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_sub_64_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={5:0}, dataVoidPtr={5:0}, dataVoidPtr={5:0}, 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 0.74ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1780.66ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 54.2MB in the end (delta: 2.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.69ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 51.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.58ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 837.59ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 32.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1324.65ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 32.0MB in the beginning and 51.4MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 100.7MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 2.7kB). 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 22:19:30,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99bd621-5b90-405a-aa8c-acddf042d9dc/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