./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_42_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_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/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_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/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_424b219b-e7cb-43e1-94ba-4c53397f31bc/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 06721e2e071c6881d5dbfba6761267cb93e8477f520bf8d38d2cb1bb446918ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:40:48,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:40:48,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:40:48,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:40:48,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:40:48,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:40:48,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:40:48,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:40:48,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:40:48,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:40:48,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:40:48,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:40:48,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:40:48,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:40:48,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:40:48,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:40:48,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:40:48,581 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:40:48,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:40:48,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:40:48,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:40:48,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:40:48,584 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:40:48,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:40:48,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:40:48,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:48,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:40:48,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:40:48,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:40:48,587 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:40:48,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:40:48,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:40:48,589 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_424b219b-e7cb-43e1-94ba-4c53397f31bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06721e2e071c6881d5dbfba6761267cb93e8477f520bf8d38d2cb1bb446918ab [2023-12-02 21:40:48,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:40:48,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:40:48,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:40:48,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:40:48,871 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:40:48,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_42_bad.i [2023-12-02 21:40:51,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:40:52,011 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:40:52,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_42_bad.i [2023-12-02 21:40:52,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data/10951f9b6/6effc4a886304c26b06998a5fcbafdc9/FLAG4112f5d9b [2023-12-02 21:40:52,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data/10951f9b6/6effc4a886304c26b06998a5fcbafdc9 [2023-12-02 21:40:52,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:40:52,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:40:52,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:52,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:40:52,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:40:52,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:52" (1/1) ... [2023-12-02 21:40:52,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d779224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:52, skipping insertion in model container [2023-12-02 21:40:52,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:52" (1/1) ... [2023-12-02 21:40:52,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:40:52,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:40:52,863 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:40:52,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:40:53,090 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:40:53,090 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:40:53,091 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:40:53,091 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:40:53,098 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:40:53,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53 WrapperNode [2023-12-02 21:40:53,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:53,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:40:53,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:40:53,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:40:53,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,150 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2023-12-02 21:40:53,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:40:53,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:40:53,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:40:53,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:40:53,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:40:53,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:40:53,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:40:53,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:40:53,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:53,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:40:53,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:40:53,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:40:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:40:53,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:40:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:40:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:40:53,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:40:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:40:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:40:53,442 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:40:53,445 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:40:53,563 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:40:53,612 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:40:53,612 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:40:53,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:53 BoogieIcfgContainer [2023-12-02 21:40:53,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:40:53,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:40:53,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:40:53,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:40:53,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:53" (1/1) ... [2023-12-02 21:40:53,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:40:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:40:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:40:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:40:53,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:53,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:40:53,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:40:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:40:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:40:53,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:40:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:40:53,903 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:40:53,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 21:40:53,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:40:53 ImpRootNode [2023-12-02 21:40:53,928 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:40:53,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:40:53,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:40:53,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:40:53,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:53" (3/4) ... [2023-12-02 21:40:53,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:40:53,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:40:53,935 INFO L158 Benchmark]: Toolchain (without parser) took 1881.22ms. Allocated memory is still 182.5MB. Free memory was 151.1MB in the beginning and 125.3MB in the end (delta: 25.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-12-02 21:40:53,936 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:40:53,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.72ms. Allocated memory is still 182.5MB. Free memory was 150.9MB in the beginning and 88.8MB in the end (delta: 62.1MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-12-02 21:40:53,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.59ms. Allocated memory is still 182.5MB. Free memory was 88.8MB in the beginning and 85.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:40:53,938 INFO L158 Benchmark]: Boogie Preprocessor took 22.73ms. Allocated memory is still 182.5MB. Free memory was 85.9MB in the beginning and 84.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:40:53,939 INFO L158 Benchmark]: RCFGBuilder took 439.96ms. Allocated memory is still 182.5MB. Free memory was 84.8MB in the beginning and 141.0MB in the end (delta: -56.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 21:40:53,939 INFO L158 Benchmark]: CodeCheck took 313.24ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 126.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:40:53,940 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 182.5MB. Free memory was 126.2MB in the beginning and 125.3MB in the end (delta: 896.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:40:53,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --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 0.18ms. Allocated memory is still 134.2MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.72ms. Allocated memory is still 182.5MB. Free memory was 150.9MB in the beginning and 88.8MB in the end (delta: 62.1MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.59ms. Allocated memory is still 182.5MB. Free memory was 88.8MB in the beginning and 85.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.73ms. Allocated memory is still 182.5MB. Free memory was 85.9MB in the beginning and 84.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.96ms. Allocated memory is still 182.5MB. Free memory was 84.8MB in the beginning and 141.0MB in the end (delta: -56.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 313.24ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 126.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 182.5MB. Free memory was 126.2MB in the beginning and 125.3MB in the end (delta: 896.2kB). 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~nondet101 - 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 21:40:53,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/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_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/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_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/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_424b219b-e7cb-43e1-94ba-4c53397f31bc/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 06721e2e071c6881d5dbfba6761267cb93e8477f520bf8d38d2cb1bb446918ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:40:56,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:40:56,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:40:56,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:40:56,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:40:56,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:40:56,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:40:56,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:40:56,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:40:56,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:40:56,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:40:56,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:40:56,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:40:56,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:40:56,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:40:56,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:40:56,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:40:56,118 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:40:56,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:40:56,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:40:56,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:40:56,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:40:56,121 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:40:56,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:40:56,122 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:56,123 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:40:56,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:40:56,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:56,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:40:56,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:40:56,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:40:56,125 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:40:56,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:56,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:40:56,126 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:40:56,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:40:56,127 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_424b219b-e7cb-43e1-94ba-4c53397f31bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06721e2e071c6881d5dbfba6761267cb93e8477f520bf8d38d2cb1bb446918ab [2023-12-02 21:40:56,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:40:56,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:40:56,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:40:56,430 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:40:56,431 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:40:56,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_42_bad.i [2023-12-02 21:40:59,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:40:59,623 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:40:59,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_42_bad.i [2023-12-02 21:40:59,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data/b869af7d2/0b1467ac054e40b18f9e3383a7348d06/FLAGc5b7f3bb0 [2023-12-02 21:40:59,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/data/b869af7d2/0b1467ac054e40b18f9e3383a7348d06 [2023-12-02 21:40:59,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:40:59,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:40:59,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:59,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:40:59,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:40:59,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:59" (1/1) ... [2023-12-02 21:40:59,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7daebe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:59, skipping insertion in model container [2023-12-02 21:40:59,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:59" (1/1) ... [2023-12-02 21:40:59,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:41:00,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:41:00,600 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:41:00,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:41:00,842 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:41:00,843 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:41:00,843 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:41:00,843 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:41:00,851 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:41:00,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00 WrapperNode [2023-12-02 21:41:00,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:41:00,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:41:00,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:41:00,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:41:00,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,909 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2023-12-02 21:41:00,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:41:00,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:41:00,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:41:00,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:41:00,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:41:00,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:41:00,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:41:00,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:41:00,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:00" (1/1) ... [2023-12-02 21:41:00,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:41:00,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:41:00,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:41:00,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:41:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:41:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:41:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:41:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:41:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:41:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:41:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:41:01,178 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:41:01,180 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:41:01,302 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:41:01,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:41:01,361 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:41:01,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:41:01 BoogieIcfgContainer [2023-12-02 21:41:01,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:41:01,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:41:01,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:41:01,373 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:41:01,373 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:41:01" (1/1) ... [2023-12-02 21:41:01,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:41:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:41:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:41:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:41:01,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:01,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:01,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:01,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:01,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:41:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:41:01,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:41:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:41:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:41:01,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:41:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:41:01,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:41:01,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:01,740 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:41:01,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 21:41:01,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:41:01 ImpRootNode [2023-12-02 21:41:01,769 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:41:01,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:41:01,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:41:01,770 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:41:01,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:41:01" (3/4) ... [2023-12-02 21:41:01,773 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:41:01,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:41:01,775 INFO L158 Benchmark]: Toolchain (without parser) took 2103.48ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 53.3MB in the end (delta: 18.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-12-02 21:41:01,775 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:41:01,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1178.12ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 59.6MB in the end (delta: 11.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-12-02 21:41:01,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.41ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 56.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:41:01,777 INFO L158 Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 54.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:41:01,778 INFO L158 Benchmark]: RCFGBuilder took 417.22ms. Allocated memory is still 98.6MB. Free memory was 54.5MB in the beginning and 68.1MB in the end (delta: -13.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-12-02 21:41:01,779 INFO L158 Benchmark]: CodeCheck took 404.52ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 54.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:41:01,779 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.3MB in the end (delta: 689.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:41:01,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_predec_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] data = (-0x7fffffff - 1) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] --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 0.16ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1178.12ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 59.6MB in the end (delta: 11.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.41ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 56.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.98ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 54.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.22ms. Allocated memory is still 98.6MB. Free memory was 54.5MB in the beginning and 68.1MB in the end (delta: -13.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 404.52ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 54.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.3MB in the end (delta: 689.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:41:01,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424b219b-e7cb-43e1-94ba-4c53397f31bc/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