./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_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_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/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_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/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_ae6407f0-dbab-4372-a076-1a13a298f99b/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 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:43,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:43,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:07:43,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:43,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:43,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:43,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:43,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:43,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:43,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:43,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:43,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:43,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:43,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:43,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:43,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:43,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:43,273 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:43,274 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:43,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:43,275 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:43,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:43,277 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:43,277 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:43,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:43,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:43,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:43,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:43,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:43,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:43,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:43,282 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:43,283 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_ae6407f0-dbab-4372-a076-1a13a298f99b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 [2023-11-24 23:07:43,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:43,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:43,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:43,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:43,662 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:43,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i [2023-11-24 23:07:46,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:47,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:47,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i [2023-11-24 23:07:47,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data/01b31844d/6baf98e4406645ddbc90ff0cf4969a28/FLAG4d77633a2 [2023-11-24 23:07:47,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data/01b31844d/6baf98e4406645ddbc90ff0cf4969a28 [2023-11-24 23:07:47,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:47,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:47,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:47,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:47,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:47,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ba2785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:47, skipping insertion in model container [2023-11-24 23:07:47,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:47" (1/1) ... [2023-11-24 23:07:47,605 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:48,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:48,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:48,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:49,103 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:49,103 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:49,103 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:49,104 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:49,104 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:49,111 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:49,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49 WrapperNode [2023-11-24 23:07:49,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:49,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:49,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:49,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:49,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,180 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2023-11-24 23:07:49,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:49,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:49,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:49,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:49,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:49,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:49,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:49,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:49,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:49,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:49,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:49,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:07:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:07:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:07:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:49,545 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:49,548 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:49,719 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:49,791 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:49,792 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:07:49,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:49 BoogieIcfgContainer [2023-11-24 23:07:49,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:49,796 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:49,796 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:49,808 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:49,808 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:49" (1/1) ... [2023-11-24 23:07:49,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:07:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:07:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:07:49,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:49,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:50,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:50,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:07:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:07:50,210 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:07:50,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:07:50,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:50 ImpRootNode [2023-11-24 23:07:50,249 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:50,252 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:50,252 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:50,252 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:50,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:49" (3/4) ... [2023-11-24 23:07:50,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:07:50,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:50,261 INFO L158 Benchmark]: Toolchain (without parser) took 2754.50ms. Allocated memory is still 188.7MB. Free memory was 153.3MB in the beginning and 106.3MB in the end (delta: 46.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-11-24 23:07:50,262 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:50,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1603.55ms. Allocated memory is still 188.7MB. Free memory was 152.7MB in the beginning and 140.9MB in the end (delta: 11.8MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:50,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.35ms. Allocated memory is still 188.7MB. Free memory was 139.9MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:50,265 INFO L158 Benchmark]: Boogie Preprocessor took 51.61ms. Allocated memory is still 188.7MB. Free memory was 137.8MB in the beginning and 135.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:50,266 INFO L158 Benchmark]: RCFGBuilder took 561.59ms. Allocated memory is still 188.7MB. Free memory was 135.7MB in the beginning and 122.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:07:50,267 INFO L158 Benchmark]: CodeCheck took 453.42ms. Allocated memory is still 188.7MB. Free memory was 122.0MB in the beginning and 106.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:07:50,267 INFO L158 Benchmark]: Witness Printer took 8.70ms. Allocated memory is still 188.7MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:50,272 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: 0.4s, 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: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_min_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_sub_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.39ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1603.55ms. Allocated memory is still 188.7MB. Free memory was 152.7MB in the beginning and 140.9MB in the end (delta: 11.8MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.35ms. Allocated memory is still 188.7MB. Free memory was 139.9MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.61ms. Allocated memory is still 188.7MB. Free memory was 137.8MB in the beginning and 135.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.59ms. Allocated memory is still 188.7MB. Free memory was 135.7MB in the beginning and 122.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 453.42ms. Allocated memory is still 188.7MB. Free memory was 122.0MB in the beginning and 106.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.70ms. Allocated memory is still 188.7MB. Free memory is still 106.3MB. 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~nondet100 - 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 23:07:50,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/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_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/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_ae6407f0-dbab-4372-a076-1a13a298f99b/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 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:53,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:53,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:07:53,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:53,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:53,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:53,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:53,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:53,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:53,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:53,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:53,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:53,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:53,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:53,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:07:53,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:07:53,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:53,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:07:53,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:53,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:53,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:53,632 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:53,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:53,633 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:53,634 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:53,635 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:53,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:53,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:53,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:53,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:53,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:53,639 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:07:53,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:53,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:53,640 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:07:53,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:53,641 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_ae6407f0-dbab-4372-a076-1a13a298f99b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12e9434a2e09ec05aa702f79792559baff1de40812e835a4bccec7ea02059510 [2023-11-24 23:07:54,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:54,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:54,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:54,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:54,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:54,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i [2023-11-24 23:07:57,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:57,881 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:57,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_65_bad.i [2023-11-24 23:07:57,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data/2c9fb0743/17b3d77445c7472a80fc5f63590eb26d/FLAG23f1e01c7 [2023-11-24 23:07:57,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/data/2c9fb0743/17b3d77445c7472a80fc5f63590eb26d [2023-11-24 23:07:57,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:57,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:57,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:57,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:57,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:57,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:57" (1/1) ... [2023-11-24 23:07:57,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7487b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:57, skipping insertion in model container [2023-11-24 23:07:57,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:57" (1/1) ... [2023-11-24 23:07:58,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:59,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:59,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:59,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:59,750 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:59,750 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:59,750 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:59,751 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:59,751 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:59,761 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:59,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59 WrapperNode [2023-11-24 23:07:59,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:59,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:59,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:59,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:59,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,871 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2023-11-24 23:07:59,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:59,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:59,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:59,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:59,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:59,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:59,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:59,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:59,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:59" (1/1) ... [2023-11-24 23:07:59,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:00,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:00,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:08:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:00,335 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:00,339 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:00,537 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:00,623 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:00,623 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:00,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:00 BoogieIcfgContainer [2023-11-24 23:08:00,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:00,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:00,629 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:00,640 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:00,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:00" (1/1) ... [2023-11-24 23:08:00,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:08:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:08:00,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:00,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:00,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:00,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:08:00,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:08:00,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:08:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:00,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:01,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:08:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:08:01,196 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:08:01,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:08:01,200 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:08:01,230 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 23:08:01,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:01 ImpRootNode [2023-11-24 23:08:01,235 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:01,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:01,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:01,238 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:01,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:00" (3/4) ... [2023-11-24 23:08:01,240 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:08:01,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:01,242 INFO L158 Benchmark]: Toolchain (without parser) took 3286.22ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 69.5MB in the end (delta: 12.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-24 23:08:01,243 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:01,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1802.96ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 73.8MB in the end (delta: 7.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-24 23:08:01,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.76ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:01,245 INFO L158 Benchmark]: Boogie Preprocessor took 88.74ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:01,246 INFO L158 Benchmark]: RCFGBuilder took 663.14ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 52.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:08:01,247 INFO L158 Benchmark]: CodeCheck took 608.90ms. Allocated memory is still 109.1MB. Free memory was 52.3MB in the beginning and 69.5MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:01,248 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 109.1MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:01,257 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_min_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_min_sub_65b_badSink; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CALL funcPtr(data) [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.74ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1802.96ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 73.8MB in the end (delta: 7.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.76ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.74ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.14ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 52.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 608.90ms. Allocated memory is still 109.1MB. Free memory was 52.3MB in the beginning and 69.5MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 109.1MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - 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 23:08:01,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6407f0-dbab-4372-a076-1a13a298f99b/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample