./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_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_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:55,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:55,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:03:55,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:55,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:55,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:55,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:55,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:55,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:55,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:55,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:55,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:55,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:55,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:55,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:55,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:55,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:55,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:03:55,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:55,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:55,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:55,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:55,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:55,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:55,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:55,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:55,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:55,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:55,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:55,965 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:55,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:55,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:55,967 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_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 [2023-11-24 23:03:56,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:56,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:56,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:56,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:56,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:56,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2023-11-24 23:03:59,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:59,852 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:59,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2023-11-24 23:03:59,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data/3208e32fb/3355bf9bbdc547039e57b916c248c770/FLAGec32d5e60 [2023-11-24 23:03:59,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data/3208e32fb/3355bf9bbdc547039e57b916c248c770 [2023-11-24 23:03:59,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:59,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:59,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:59,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:59,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:59,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:59" (1/1) ... [2023-11-24 23:03:59,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302f8217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:59, skipping insertion in model container [2023-11-24 23:03:59,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:59" (1/1) ... [2023-11-24 23:04:00,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:00,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:00,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:01,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:01,229 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:01,230 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:01,230 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:01,230 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:01,238 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:01,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01 WrapperNode [2023-11-24 23:04:01,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:01,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:01,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:01,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:01,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,304 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-11-24 23:04:01,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:01,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:01,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:01,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:01,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:01,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:01,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:01,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:01,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:01,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:01,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:01,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:01,550 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:01,551 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:01,643 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:01,702 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:01,702 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:04:01,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:01 BoogieIcfgContainer [2023-11-24 23:04:01,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:01,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:01,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:01,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:01,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:01" (1/1) ... [2023-11-24 23:04:01,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-24 23:04:01,796 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-24 23:04:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:01,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:01,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:02,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:02,075 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:04:02,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:04:02,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:02 ImpRootNode [2023-11-24 23:04:02,100 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:02,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:02,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:02,101 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:02,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:01" (3/4) ... [2023-11-24 23:04:02,104 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:02,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:02,106 INFO L158 Benchmark]: Toolchain (without parser) took 2194.52ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 53.5MB in the end (delta: 37.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:02,106 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:02,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1324.92ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 85.8MB in the end (delta: 5.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:02,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.18ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 82.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:02,108 INFO L158 Benchmark]: Boogie Preprocessor took 32.59ms. Allocated memory is still 140.5MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:02,109 INFO L158 Benchmark]: RCFGBuilder took 365.94ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 68.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:02,110 INFO L158 Benchmark]: CodeCheck took 395.16ms. Allocated memory is still 140.5MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:02,110 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 140.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:02,114 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, 13 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)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 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] [L1559] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1324.92ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 85.8MB in the end (delta: 5.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.18ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 82.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.59ms. Allocated memory is still 140.5MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.94ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 68.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 395.16ms. Allocated memory is still 140.5MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 140.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:04:02,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:04,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:04,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:04:05,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:05,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:05,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:05,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:05,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:05,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:05,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:05,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:05,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:05,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:05,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:05,059 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:04:05,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:04:05,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:05,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:04:05,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:05,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:05,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:05,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:05,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:05,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:05,064 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:05,064 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:05,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:05,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:05,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:05,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:05,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:05,067 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:04:05,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:05,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:05,068 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:04:05,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:05,069 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_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90de15b3bd53d249fe09e9db7e233ad21890ef824d7050121f83d7afca5a6fc0 [2023-11-24 23:04:05,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:05,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:05,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:05,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:05,555 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:05,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2023-11-24 23:04:08,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:09,074 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:09,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_03_bad.i [2023-11-24 23:04:09,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data/0c9018b4b/3fc04773e93e40388cca845121bb207d/FLAGa8c82ba59 [2023-11-24 23:04:09,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/data/0c9018b4b/3fc04773e93e40388cca845121bb207d [2023-11-24 23:04:09,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:09,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:09,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:09,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:09,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:09,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:09" (1/1) ... [2023-11-24 23:04:09,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb91f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:09, skipping insertion in model container [2023-11-24 23:04:09,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:09" (1/1) ... [2023-11-24 23:04:09,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:10,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:10,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:10,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:10,673 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:10,673 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:10,673 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:10,673 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:10,681 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:10,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10 WrapperNode [2023-11-24 23:04:10,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:10,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:10,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:10,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:10,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,776 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-11-24 23:04:10,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:10,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:10,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:10,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:10,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:10,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:10,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:10,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:10,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:10" (1/1) ... [2023-11-24 23:04:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:10,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:10,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:10,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:04:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:11,098 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:11,100 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:11,202 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:11,312 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:11,313 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:04:11,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:11 BoogieIcfgContainer [2023-11-24 23:04:11,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:11,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:11,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:11,334 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:11,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:11" (1/1) ... [2023-11-24 23:04:11,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:11,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-24 23:04:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-24 23:04:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:11,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:11,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:11,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:11,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:04:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:11,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:11,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:11,770 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:11,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:11,783 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:04:11,806 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:04:11,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:11 ImpRootNode [2023-11-24 23:04:11,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:11,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:11,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:11,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:11,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:11" (3/4) ... [2023-11-24 23:04:11,814 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:11,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:11,816 INFO L158 Benchmark]: Toolchain (without parser) took 2693.49ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 58.6MB in the end (delta: -6.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:11,817 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:11,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.87ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.0MB in the beginning and 61.9MB in the end (delta: -9.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:11,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.62ms. Allocated memory is still 104.9MB. Free memory was 61.9MB in the beginning and 59.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:11,819 INFO L158 Benchmark]: Boogie Preprocessor took 57.32ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:11,820 INFO L158 Benchmark]: RCFGBuilder took 486.86ms. Allocated memory is still 104.9MB. Free memory was 57.2MB in the beginning and 73.3MB in the end (delta: -16.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-11-24 23:04:11,820 INFO L158 Benchmark]: CodeCheck took 486.68ms. Allocated memory is still 104.9MB. Free memory was 73.3MB in the beginning and 59.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:11,821 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 58.6MB in the end (delta: 584.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:11,825 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, 13 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, 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_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 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] [L1559] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.87ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.0MB in the beginning and 61.9MB in the end (delta: -9.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.62ms. Allocated memory is still 104.9MB. Free memory was 61.9MB in the beginning and 59.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.32ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.86ms. Allocated memory is still 104.9MB. Free memory was 57.2MB in the beginning and 73.3MB in the end (delta: -16.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * CodeCheck took 486.68ms. Allocated memory is still 104.9MB. Free memory was 73.3MB in the beginning and 59.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 58.6MB in the end (delta: 584.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:04:11,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162434ec-19ea-4f8d-bd75-4c0bd675e3f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample