./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/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_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/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_629902e9-f1d1-434a-91b6-5b60e104d874/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 e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:58:24,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:58:24,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:58:24,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:58:24,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:58:24,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:58:24,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:58:24,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:58:24,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:58:24,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:58:24,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:58:24,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:58:24,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:58:24,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:58:24,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:58:24,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:58:24,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:58:24,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:58:24,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:58:24,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:58:24,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:58:24,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:58:24,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:58:24,933 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:58:24,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:58:24,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:24,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:58:24,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:58:24,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:58:24,935 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:58:24,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:58:24,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:58:24,936 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_629902e9-f1d1-434a-91b6-5b60e104d874/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca [2023-12-02 21:58:25,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:58:25,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:58:25,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:58:25,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:58:25,173 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:58:25,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i [2023-12-02 21:58:27,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:58:28,296 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:58:28,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i [2023-12-02 21:58:28,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data/038b010b1/1182733778e74339a92bdc2218b63baf/FLAGe2d9648d7 [2023-12-02 21:58:28,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data/038b010b1/1182733778e74339a92bdc2218b63baf [2023-12-02 21:58:28,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:58:28,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:58:28,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:28,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:58:28,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:58:28,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:28" (1/1) ... [2023-12-02 21:58:28,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623e25db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:28, skipping insertion in model container [2023-12-02 21:58:28,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:28" (1/1) ... [2023-12-02 21:58:28,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:58:29,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:29,124 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:58:29,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:29,294 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:29,294 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:29,294 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:29,294 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:29,300 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:58:29,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29 WrapperNode [2023-12-02 21:58:29,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:29,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:29,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:58:29,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:58:29,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,358 INFO L138 Inliner]: procedures = 498, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 116 [2023-12-02 21:58:29,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:29,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:58:29,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:58:29,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:58:29,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:58:29,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:58:29,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:58:29,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:58:29,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:29,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:58:29,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:58:29,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:58:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:58:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:58:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:58:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:58:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:58:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:58:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:58:29,598 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:58:29,601 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:58:29,782 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:58:29,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:58:29,936 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:58:29,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:29 BoogieIcfgContainer [2023-12-02 21:58:29,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:58:29,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:58:29,939 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:58:29,946 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:58:29,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:29" (1/1) ... [2023-12-02 21:58:29,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:58:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-12-02 21:58:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-12-02 21:58:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:58:30,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:30,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:30,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:30,455 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:58:30,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet116 [2023-12-02 21:58:30,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch112 could not be translated [2023-12-02 21:58:30,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch112 could not be translated [2023-12-02 21:58:30,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:58:30 ImpRootNode [2023-12-02 21:58:30,484 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:58:30,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:58:30,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:58:30,485 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:58:30,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:29" (3/4) ... [2023-12-02 21:58:30,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:58:30,488 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:58:30,489 INFO L158 Benchmark]: Toolchain (without parser) took 2148.54ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 61.2MB in the end (delta: 69.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2023-12-02 21:58:30,490 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:30,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.18ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 67.3MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 21:58:30,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.55ms. Allocated memory is still 167.8MB. Free memory was 66.6MB in the beginning and 63.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:58:30,491 INFO L158 Benchmark]: Boogie Preprocessor took 28.07ms. Allocated memory is still 167.8MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:30,492 INFO L158 Benchmark]: RCFGBuilder took 549.23ms. Allocated memory is still 167.8MB. Free memory was 61.7MB in the beginning and 102.0MB in the end (delta: -40.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:30,492 INFO L158 Benchmark]: CodeCheck took 545.57ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 61.2MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:30,493 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 167.8MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:30,496 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, 22 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578, overapproximation of bitwiseOr at line 1555. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_rand_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] case 6: [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.18ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 67.3MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.55ms. Allocated memory is still 167.8MB. Free memory was 66.6MB in the beginning and 63.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.07ms. Allocated memory is still 167.8MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.23ms. Allocated memory is still 167.8MB. Free memory was 61.7MB in the beginning and 102.0MB in the end (delta: -40.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * CodeCheck took 545.57ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 61.2MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 167.8MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 2.0kB). 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~nondet116 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch112 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:58:30,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/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_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/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_629902e9-f1d1-434a-91b6-5b60e104d874/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 e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:58:32,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:58:32,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:58:32,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:58:32,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:58:32,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:58:32,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:58:32,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:58:32,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:58:32,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:58:32,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:58:32,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:58:32,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:58:32,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:58:32,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:58:32,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:58:32,583 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:58:32,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:58:32,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:58:32,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:58:32,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:58:32,586 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:58:32,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:58:32,587 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:58:32,587 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:32,587 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:58:32,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:58:32,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:32,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:58:32,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:58:32,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:58:32,590 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:58:32,590 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:32,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:58:32,591 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:58:32,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:58:32,591 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_629902e9-f1d1-434a-91b6-5b60e104d874/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42b7bb8dfc9f6835d15b9cf3a5c0cc8af52dd8ae97dce4ad724909ce6d58fca [2023-12-02 21:58:32,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:58:32,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:58:32,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:58:32,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:58:32,904 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:58:32,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i [2023-12-02 21:58:35,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:58:35,975 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:58:35,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_bad.i [2023-12-02 21:58:36,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data/611188a1d/9c7cd87288bc48068b037e0ae95744d7/FLAG216cff096 [2023-12-02 21:58:36,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/data/611188a1d/9c7cd87288bc48068b037e0ae95744d7 [2023-12-02 21:58:36,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:58:36,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:58:36,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:36,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:58:36,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:58:36,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:36" (1/1) ... [2023-12-02 21:58:36,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549a6e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:36, skipping insertion in model container [2023-12-02 21:58:36,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:36" (1/1) ... [2023-12-02 21:58:36,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:58:36,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:36,892 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:58:37,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:37,125 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:37,125 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:37,125 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:37,126 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:37,133 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:58:37,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37 WrapperNode [2023-12-02 21:58:37,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:37,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:37,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:58:37,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:58:37,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,196 INFO L138 Inliner]: procedures = 503, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2023-12-02 21:58:37,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:37,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:58:37,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:58:37,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:58:37,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:58:37,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:58:37,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:58:37,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:58:37,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:37,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:58:37,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:58:37,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:58:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:58:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:58:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:58:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:58:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:58:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:58:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:58:37,457 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:58:37,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:58:37,608 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:58:37,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:58:37,661 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:58:37,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:37 BoogieIcfgContainer [2023-12-02 21:58:37,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:58:37,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:58:37,663 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:58:37,670 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:58:37,671 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:37" (1/1) ... [2023-12-02 21:58:37,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:58:37,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:37,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-12-02 21:58:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-12-02 21:58:37,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:58:37,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:37,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:37,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:58:37,732 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:58:37,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:58:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:37,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:38,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:38,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:58:38,075 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:58:38,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet110 [2023-12-02 21:58:38,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch106 could not be translated [2023-12-02 21:58:38,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch106 could not be translated [2023-12-02 21:58:38,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:58:38 ImpRootNode [2023-12-02 21:58:38,105 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:58:38,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:58:38,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:58:38,106 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:58:38,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:37" (3/4) ... [2023-12-02 21:58:38,108 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:58:38,109 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:58:38,110 INFO L158 Benchmark]: Toolchain (without parser) took 2091.22ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 61.0MB in the end (delta: 29.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-12-02 21:58:38,110 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 70.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:38,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1113.69ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 55.5MB in the end (delta: 34.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:38,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.09ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 52.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:38,112 INFO L158 Benchmark]: Boogie Preprocessor took 35.88ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:38,112 INFO L158 Benchmark]: RCFGBuilder took 428.52ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 78.6MB in the end (delta: -28.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-12-02 21:58:38,113 INFO L158 Benchmark]: CodeCheck took 442.27ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 61.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:38,114 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:38,117 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 70.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1113.69ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 55.5MB in the end (delta: 34.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.09ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 52.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.88ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.52ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 78.6MB in the end (delta: -28.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * CodeCheck took 442.27ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 61.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 61.0MB 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~nondet110 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch106 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:58:38,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629902e9-f1d1-434a-91b6-5b60e104d874/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