./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_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_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9 --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 4d4b1dc9b44b4a6227e4c48c7bf32bcd83c3b136a7afe13d5c5d35696e9bbad2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:30:18,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:30:18,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:30:18,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:30:18,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:30:18,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:30:18,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:30:18,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:30:18,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:30:18,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:30:18,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:30:18,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:30:18,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:30:18,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:30:18,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:30:18,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:30:18,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:30:18,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:30:18,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:30:18,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:30:18,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:30:18,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:30:18,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:30:18,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:30:18,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:30:18,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:18,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:30:18,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:30:18,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:30:18,959 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:30:18,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:30:18,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:30:18,960 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_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d4b1dc9b44b4a6227e4c48c7bf32bcd83c3b136a7afe13d5c5d35696e9bbad2 [2023-12-02 23:30:19,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:30:19,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:30:19,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:30:19,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:30:19,243 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:30:19,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_bad.i [2023-12-02 23:30:21,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:22,251 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:22,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_bad.i [2023-12-02 23:30:22,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data/fda1831ce/649a0ea5461740f88b2e95219e7034c6/FLAGec37bd2c1 [2023-12-02 23:30:22,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data/fda1831ce/649a0ea5461740f88b2e95219e7034c6 [2023-12-02 23:30:22,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:22,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:22,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:22,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:22,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:22,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:22" (1/1) ... [2023-12-02 23:30:22,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5087d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:22, skipping insertion in model container [2023-12-02 23:30:22,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:22" (1/1) ... [2023-12-02 23:30:22,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:23,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:23,108 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:23,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:23,342 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:23,342 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:23,342 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:23,343 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:23,350 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:23,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23 WrapperNode [2023-12-02 23:30:23,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:23,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:23,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:23,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:23,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,406 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-02 23:30:23,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:23,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:23,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:23,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:23,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:23,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:23,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:23,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:23,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:23,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:23,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:23,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:30:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:30:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:30:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:30:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:30:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:30:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:30:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:30:23,644 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:23,654 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:23,772 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:23,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:23,805 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:30:23,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:23 BoogieIcfgContainer [2023-12-02 23:30:23,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:23,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:23,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:23,814 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:23,815 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:23" (1/1) ... [2023-12-02 23:30:23,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:30:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:30:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:30:23,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:23,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:23,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:24,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:24,125 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:30:24,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 23:30:24,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:30:24 ImpRootNode [2023-12-02 23:30:24,149 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:30:24,150 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:30:24,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:30:24,150 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:30:24,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:23" (3/4) ... [2023-12-02 23:30:24,152 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:30:24,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:30:24,154 INFO L158 Benchmark]: Toolchain (without parser) took 1859.82ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 92.3MB in the end (delta: 23.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-12-02 23:30:24,154 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:24,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1055.97ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 97.6MB in the end (delta: 17.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-12-02 23:30:24,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.87ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 94.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:30:24,156 INFO L158 Benchmark]: Boogie Preprocessor took 24.94ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:24,157 INFO L158 Benchmark]: RCFGBuilder took 373.50ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 111.2MB in the end (delta: -17.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-12-02 23:30:24,157 INFO L158 Benchmark]: CodeCheck took 342.31ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 93.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:30:24,158 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 92.3MB in the end (delta: 724.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:24,161 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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={12:37}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={32289:0}, dataPtr={32289:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={32289:0}, dataPtr={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 0.32ms. Allocated memory is still 115.3MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1055.97ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 97.6MB in the end (delta: 17.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.87ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 94.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.94ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 373.50ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 111.2MB in the end (delta: -17.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 342.31ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 93.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 92.3MB in the end (delta: 724.1kB). Peak memory consumption was 2.1MB. 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 [2023-12-02 23:30:24,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9 --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 4d4b1dc9b44b4a6227e4c48c7bf32bcd83c3b136a7afe13d5c5d35696e9bbad2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:30:26,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:30:26,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:30:26,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:30:26,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:30:26,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:30:26,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:30:26,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:30:26,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:30:26,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:30:26,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:30:26,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:30:26,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:30:26,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:30:26,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:30:26,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:30:26,267 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:30:26,267 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:30:26,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:30:26,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:30:26,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:30:26,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:30:26,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:30:26,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:30:26,271 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:26,271 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:26,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:30:26,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:26,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:30:26,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:30:26,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:30:26,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:30:26,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:26,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:30:26,275 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:30:26,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:26,275 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_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d4b1dc9b44b4a6227e4c48c7bf32bcd83c3b136a7afe13d5c5d35696e9bbad2 [2023-12-02 23:30:26,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:30:26,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:30:26,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:30:26,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:30:26,605 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:30:26,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_bad.i [2023-12-02 23:30:29,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:29,667 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:29,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_63_bad.i [2023-12-02 23:30:29,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data/0ea318443/74d55bc70f244c58b9919ef339671ce0/FLAG13f3636a3 [2023-12-02 23:30:29,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/data/0ea318443/74d55bc70f244c58b9919ef339671ce0 [2023-12-02 23:30:29,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:29,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:29,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:29,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:29,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:29,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:29" (1/1) ... [2023-12-02 23:30:29,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1d61a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:29, skipping insertion in model container [2023-12-02 23:30:29,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:29" (1/1) ... [2023-12-02 23:30:29,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:30,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:30,572 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:30,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:30,777 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:30,777 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:30,777 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:30,777 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:30,785 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:30,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30 WrapperNode [2023-12-02 23:30:30,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:30,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:30,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:30,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:30,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,843 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-02 23:30:30,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:30,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:30,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:30,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:30,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:30,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:30,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:30,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:30,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:30" (1/1) ... [2023-12-02 23:30:30,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:30,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:30,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:30,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:30:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:30:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:30:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:30:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:30:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:30:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:30:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:30:31,102 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:31,104 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:31,239 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:31,278 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:31,279 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:30:31,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:31 BoogieIcfgContainer [2023-12-02 23:30:31,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:31,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:31,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:31,289 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:31,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:31" (1/1) ... [2023-12-02 23:30:31,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:30:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:30:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:30:31,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:31,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:31,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:31,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:31,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:30:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:31,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:31,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:31,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:30:31,815 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:30:31,837 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 23:30:31,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:30:31 ImpRootNode [2023-12-02 23:30:31,842 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:30:31,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:30:31,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:30:31,843 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:30:31,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:31" (3/4) ... [2023-12-02 23:30:31,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:30:31,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:30:31,848 INFO L158 Benchmark]: Toolchain (without parser) took 2137.77ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 60.3MB in the end (delta: 15.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-12-02 23:30:31,848 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:31,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1074.51ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 67.6MB in the end (delta: 7.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-12-02 23:30:31,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.36ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 64.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:31,850 INFO L158 Benchmark]: Boogie Preprocessor took 36.13ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:31,851 INFO L158 Benchmark]: RCFGBuilder took 399.23ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 46.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:30:31,851 INFO L158 Benchmark]: CodeCheck took 561.13ms. Allocated memory is still 102.8MB. Free memory was 46.2MB in the beginning and 60.4MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:31,852 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:31,855 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={7:0}, dataPtr={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={7:0}, dataPtr={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 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1074.51ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 67.6MB in the end (delta: 7.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.36ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 64.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.13ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.23ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 46.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 561.13ms. Allocated memory is still 102.8MB. Free memory was 46.2MB in the beginning and 60.4MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 90.7kB). 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 [2023-12-02 23:30:31,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28e8761-31ba-41ed-a14b-891c892acb37/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample