./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_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_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/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_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/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_80869707-3023-4260-8268-e3072b539ed1/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 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:01,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:01,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:04:01,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:01,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:01,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:01,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:01,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:01,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:01,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:01,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:01,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:01,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:01,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:01,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:01,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:01,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:01,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:01,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:01,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:01,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:01,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:01,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:01,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:01,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:01,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:01,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:01,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:01,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:01,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:01,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:01,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:01,931 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_80869707-3023-4260-8268-e3072b539ed1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 [2023-11-24 23:04:02,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:02,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:02,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:02,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:02,313 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:02,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2023-11-24 23:04:05,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:05,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:05,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2023-11-24 23:04:06,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data/6f9b463b5/1cd72fcb11db4d9cbfdff679036301fb/FLAGa827ba043 [2023-11-24 23:04:06,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data/6f9b463b5/1cd72fcb11db4d9cbfdff679036301fb [2023-11-24 23:04:06,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:06,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:06,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:06,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:06,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:06,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ee075a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06, skipping insertion in model container [2023-11-24 23:04:06,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:07,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:07,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:07,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:07,583 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:07,583 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:07,584 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:07,584 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:07,592 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:07,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07 WrapperNode [2023-11-24 23:04:07,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:07,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:07,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:07,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:07,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,676 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2023-11-24 23:04:07,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:07,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:07,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:07,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:07,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:07,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:07,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:07,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:07,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:07,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:07,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:07,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:07,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:07,975 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:07,977 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:08,074 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:08,116 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:08,125 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:04:08,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:08 BoogieIcfgContainer [2023-11-24 23:04:08,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:08,128 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:08,128 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:08,139 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:08,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:08" (1/1) ... [2023-11-24 23:04:08,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:04:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:04:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:08,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:08,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:08,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:08,466 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:04:08,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:04:08,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:08 ImpRootNode [2023-11-24 23:04:08,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:08,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:08,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:08,501 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:08,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:08" (3/4) ... [2023-11-24 23:04:08,510 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:08,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:08,513 INFO L158 Benchmark]: Toolchain (without parser) took 2455.76ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 111.0MB in the end (delta: -34.3MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,514 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 90.8MB in the beginning and 90.8MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:08,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1534.73ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 83.6MB in the end (delta: -6.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.63ms. Allocated memory is still 155.2MB. Free memory was 83.6MB in the beginning and 81.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,517 INFO L158 Benchmark]: Boogie Preprocessor took 27.58ms. Allocated memory is still 155.2MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,518 INFO L158 Benchmark]: RCFGBuilder took 421.91ms. Allocated memory is still 155.2MB. Free memory was 79.4MB in the beginning and 65.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,519 INFO L158 Benchmark]: CodeCheck took 370.75ms. Allocated memory is still 155.2MB. Free memory was 65.6MB in the beginning and 111.0MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:08,520 INFO L158 Benchmark]: Witness Printer took 10.61ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 111.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:08,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: 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 1566. 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); [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] --data 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 0.26ms. Allocated memory is still 121.6MB. Free memory was 90.8MB in the beginning and 90.8MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1534.73ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 83.6MB in the end (delta: -6.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.63ms. Allocated memory is still 155.2MB. Free memory was 83.6MB in the beginning and 81.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.58ms. Allocated memory is still 155.2MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.91ms. Allocated memory is still 155.2MB. Free memory was 79.4MB in the beginning and 65.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 370.75ms. Allocated memory is still 155.2MB. Free memory was 65.6MB in the beginning and 111.0MB in the end (delta: -45.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.61ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 111.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 23:04:08,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/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_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/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_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/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_80869707-3023-4260-8268-e3072b539ed1/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 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:11,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:11,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:04:11,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:11,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:11,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:11,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:11,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:11,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:11,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:11,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:11,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:11,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:11,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:11,551 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:04:11,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:04:11,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:11,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:04:11,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:11,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:11,555 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:11,556 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:11,556 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:11,557 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:11,557 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:11,558 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:11,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:11,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:11,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:11,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:11,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:11,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:04:11,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:11,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:11,563 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:04:11,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:11,563 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_80869707-3023-4260-8268-e3072b539ed1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3424177a030cc9e03e31768e8346c059cde7f8a3c67ebed126a4542c223bfb83 [2023-11-24 23:04:12,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:12,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:12,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:12,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:12,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:12,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2023-11-24 23:04:15,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:15,793 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:15,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_41_bad.i [2023-11-24 23:04:15,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data/5bd8c103c/852152828ecb4b1b97e56ea4e070f875/FLAG2e16f30d7 [2023-11-24 23:04:15,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/data/5bd8c103c/852152828ecb4b1b97e56ea4e070f875 [2023-11-24 23:04:15,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:15,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:15,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:15,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:15,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:15,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:15" (1/1) ... [2023-11-24 23:04:15,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207d8eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:15, skipping insertion in model container [2023-11-24 23:04:15,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:15" (1/1) ... [2023-11-24 23:04:15,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:16,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:16,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:17,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:17,313 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:17,313 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:17,313 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:17,313 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:17,321 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:17,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17 WrapperNode [2023-11-24 23:04:17,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:17,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:17,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:17,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:17,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,420 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2023-11-24 23:04:17,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:17,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:17,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:17,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:17,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:17,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:17,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:17,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:17,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:17" (1/1) ... [2023-11-24 23:04:17,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:17,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:17,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:17,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:04:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:04:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:04:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:04:17,772 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:17,775 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:17,961 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:18,038 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:18,043 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:04:18,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:18 BoogieIcfgContainer [2023-11-24 23:04:18,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:18,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:18,046 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:18,057 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:18,059 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:18" (1/1) ... [2023-11-24 23:04:18,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:04:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:04:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:18,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:18,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:18,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:18,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:04:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:18,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:18,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:18,486 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:18,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:04:18,506 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:04:18,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 23:04:18,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:18 ImpRootNode [2023-11-24 23:04:18,543 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:18,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:18,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:18,547 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:18,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:18" (3/4) ... [2023-11-24 23:04:18,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:18,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:18,553 INFO L158 Benchmark]: Toolchain (without parser) took 2697.59ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 60.2MB in the beginning and 76.0MB in the end (delta: -15.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-11-24 23:04:18,553 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:18,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1459.85ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 40.5MB in the end (delta: 19.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-24 23:04:18,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.86ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 37.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:18,556 INFO L158 Benchmark]: Boogie Preprocessor took 67.52ms. Allocated memory is still 88.1MB. Free memory was 37.6MB in the beginning and 35.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:18,557 INFO L158 Benchmark]: RCFGBuilder took 555.45ms. Allocated memory is still 88.1MB. Free memory was 35.5MB in the beginning and 46.5MB in the end (delta: -11.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-24 23:04:18,558 INFO L158 Benchmark]: CodeCheck took 497.00ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.1MB in the beginning and 76.6MB in the end (delta: -30.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:18,559 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 76.0MB in the end (delta: 622.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:18,572 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: 1551]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] data = (-0x7fffffff - 1) [L1561] CALL badSink(data) [L1551] --data 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 0.75ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1459.85ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 40.5MB in the end (delta: 19.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.86ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 37.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.52ms. Allocated memory is still 88.1MB. Free memory was 37.6MB in the beginning and 35.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.45ms. Allocated memory is still 88.1MB. Free memory was 35.5MB in the beginning and 46.5MB in the end (delta: -11.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * CodeCheck took 497.00ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.1MB in the beginning and 76.6MB in the end (delta: -30.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 76.0MB in the end (delta: 622.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 23:04:18,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80869707-3023-4260-8268-e3072b539ed1/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