./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_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_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/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_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/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_37078698-4951-47bd-9ff1-b3645791f37f/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 ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:41:58,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:41:58,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:41:58,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:41:58,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:41:58,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:41:58,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:41:58,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:41:58,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:41:58,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:41:58,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:41:58,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:41:58,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:41:58,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:41:58,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:41:58,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:41:58,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:41:58,847 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:41:58,847 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:41:58,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:41:58,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:41:58,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:41:58,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:41:58,850 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:41:58,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:41:58,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:41:58,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:41:58,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:41:58,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:41:58,853 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:41:58,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:41:58,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:41:58,862 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_37078698-4951-47bd-9ff1-b3645791f37f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 [2023-12-02 22:41:59,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:41:59,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:41:59,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:41:59,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:41:59,113 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:41:59,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2023-12-02 22:42:01,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:42:02,187 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:42:02,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2023-12-02 22:42:02,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data/c4e48e31b/ad83984a298745cf82f94d19b1803b5a/FLAG9e3665c2c [2023-12-02 22:42:02,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data/c4e48e31b/ad83984a298745cf82f94d19b1803b5a [2023-12-02 22:42:02,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:42:02,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:42:02,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:02,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:42:02,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:42:02,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:02" (1/1) ... [2023-12-02 22:42:02,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b168c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02, skipping insertion in model container [2023-12-02 22:42:02,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:02" (1/1) ... [2023-12-02 22:42:02,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:42:03,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:03,019 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:42:03,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:03,224 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:03,225 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:03,225 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:03,225 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:03,232 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:42:03,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03 WrapperNode [2023-12-02 22:42:03,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:03,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:03,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:42:03,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:42:03,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,293 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2023-12-02 22:42:03,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:03,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:42:03,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:42:03,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:42:03,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:42:03,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:42:03,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:42:03,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:42:03,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:42:03,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:42:03,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:42:03,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:42:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:42:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:42:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:42:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:42:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:42:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:42:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:42:03,514 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:42:03,516 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:42:03,687 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:42:03,876 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:42:03,876 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:42:03,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:03 BoogieIcfgContainer [2023-12-02 22:42:03,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:42:03,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:42:03,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:42:03,886 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:42:03,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:03" (1/1) ... [2023-12-02 22:42:03,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:42:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:42:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:42:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:42:03,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:42:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:04,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:42:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:04,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:42:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:04,565 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:42:04,587 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-12-02 22:42:04,590 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-12-02 22:42:04,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-12-02 22:42:04,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:42:04 ImpRootNode [2023-12-02 22:42:04,596 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:42:04,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:42:04,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:42:04,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:42:04,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:03" (3/4) ... [2023-12-02 22:42:04,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:42:04,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:42:04,601 INFO L158 Benchmark]: Toolchain (without parser) took 2372.24ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 94.3MB in the beginning and 85.4MB in the end (delta: 8.9MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-12-02 22:42:04,602 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:42:04,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.10ms. Allocated memory is still 134.2MB. Free memory was 94.3MB in the beginning and 78.1MB in the end (delta: 16.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-12-02 22:42:04,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.97ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:42:04,604 INFO L158 Benchmark]: Boogie Preprocessor took 24.81ms. Allocated memory is still 134.2MB. Free memory was 75.1MB in the beginning and 73.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:42:04,604 INFO L158 Benchmark]: RCFGBuilder took 558.11ms. Allocated memory is still 134.2MB. Free memory was 73.6MB in the beginning and 80.1MB in the end (delta: -6.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-12-02 22:42:04,605 INFO L158 Benchmark]: CodeCheck took 717.08ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 80.1MB in the beginning and 86.4MB in the end (delta: -6.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-12-02 22:42:04,606 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 161.5MB. Free memory was 86.4MB in the beginning and 85.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:04,609 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: 0.7s, 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: 1560]: 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 1568, 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); [L1548] static int staticFive = 5; [L1568] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [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)) [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.10ms. Allocated memory is still 134.2MB. Free memory was 94.3MB in the beginning and 78.1MB in the end (delta: 16.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.97ms. Allocated memory is still 134.2MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.81ms. Allocated memory is still 134.2MB. Free memory was 75.1MB in the beginning and 73.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.11ms. Allocated memory is still 134.2MB. Free memory was 73.6MB in the beginning and 80.1MB in the end (delta: -6.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * CodeCheck took 717.08ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 80.1MB in the beginning and 86.4MB in the end (delta: -6.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 161.5MB. Free memory was 86.4MB in the beginning and 85.4MB in the end (delta: 1.0MB). 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~nondet111 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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 22:42:04,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/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_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/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_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/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_37078698-4951-47bd-9ff1-b3645791f37f/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 ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:42:06,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:42:06,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:42:06,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:42:06,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:42:06,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:42:06,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:42:06,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:42:06,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:42:06,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:42:06,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:42:06,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:42:06,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:42:06,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:42:06,680 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:42:06,680 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:42:06,681 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:42:06,681 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:42:06,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:42:06,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:42:06,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:42:06,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:42:06,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:42:06,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:42:06,685 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:06,686 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:42:06,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:42:06,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:42:06,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:42:06,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:42:06,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:42:06,688 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:42:06,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:06,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:42:06,689 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:42:06,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:42:06,690 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_37078698-4951-47bd-9ff1-b3645791f37f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce5762cc9246f1ac6fc3954541dad7dc4d074fedd58b1df7ab6ae71a6fb561c6 [2023-12-02 22:42:06,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:42:07,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:42:07,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:42:07,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:42:07,009 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:42:07,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2023-12-02 22:42:09,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:42:10,216 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:42:10,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_bad.i [2023-12-02 22:42:10,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data/c69620c41/f52e07471fac44c19d37db46619d40a8/FLAGd734b3c06 [2023-12-02 22:42:10,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/data/c69620c41/f52e07471fac44c19d37db46619d40a8 [2023-12-02 22:42:10,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:42:10,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:42:10,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:10,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:42:10,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:42:10,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:10" (1/1) ... [2023-12-02 22:42:10,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e4e1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:10, skipping insertion in model container [2023-12-02 22:42:10,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:10" (1/1) ... [2023-12-02 22:42:10,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:42:11,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:11,078 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:42:11,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:11,259 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:11,259 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:11,260 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:11,260 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:42:11,265 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:42:11,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11 WrapperNode [2023-12-02 22:42:11,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:11,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:11,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:42:11,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:42:11,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,325 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-12-02 22:42:11,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:11,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:42:11,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:42:11,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:42:11,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:42:11,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:42:11,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:42:11,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:42:11,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:42:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:42:11,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:42:11,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:42:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:42:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:42:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:42:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:42:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:42:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:42:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:42:11,582 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:42:11,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:42:11,700 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:42:11,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:42:11,782 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:42:11,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11 BoogieIcfgContainer [2023-12-02 22:42:11,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:42:11,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:42:11,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:42:11,794 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:42:11,794 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:42:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:42:11,857 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:42:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:42:11,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:11,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:11,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:11,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:42:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:12,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:42:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:12,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:42:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:12,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:12,188 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:42:12,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-02 22:42:12,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-12-02 22:42:12,213 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-12-02 22:42:12,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:42:12 ImpRootNode [2023-12-02 22:42:12,217 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:42:12,218 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:42:12,218 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:42:12,218 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:42:12,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11" (3/4) ... [2023-12-02 22:42:12,220 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:42:12,221 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:42:12,222 INFO L158 Benchmark]: Toolchain (without parser) took 1966.51ms. Allocated memory is still 123.7MB. Free memory was 96.7MB in the beginning and 75.2MB in the end (delta: 21.4MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,223 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 55.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:42:12,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1009.52ms. Allocated memory is still 123.7MB. Free memory was 96.3MB in the beginning and 65.8MB in the end (delta: 30.5MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.17ms. Allocated memory is still 123.7MB. Free memory was 65.8MB in the beginning and 63.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,225 INFO L158 Benchmark]: Boogie Preprocessor took 33.93ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 61.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,225 INFO L158 Benchmark]: RCFGBuilder took 422.42ms. Allocated memory is still 123.7MB. Free memory was 61.0MB in the beginning and 93.7MB in the end (delta: -32.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,226 INFO L158 Benchmark]: CodeCheck took 432.70ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 75.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,226 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 123.7MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:42:12,230 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: 0.4s, 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, 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: 1560]: 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 1568. 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); [L1548] static int staticFive = 5; [L1568] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1568] 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, staticFive=5] [L1569] CALL CWE191_Integer_Underflow__int_rand_sub_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [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)) [L1557] COND TRUE staticFive==5 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, staticFive=5] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 55.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1009.52ms. Allocated memory is still 123.7MB. Free memory was 96.3MB in the beginning and 65.8MB in the end (delta: 30.5MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.17ms. Allocated memory is still 123.7MB. Free memory was 65.8MB in the beginning and 63.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.93ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 61.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.42ms. Allocated memory is still 123.7MB. Free memory was 61.0MB in the beginning and 93.7MB in the end (delta: -32.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * CodeCheck took 432.70ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 75.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 123.7MB. Free memory is still 75.2MB. 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~nondet105 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 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 22:42:12,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37078698-4951-47bd-9ff1-b3645791f37f/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