./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:03,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:03,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:13:03,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:03,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:03,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:03,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:03,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:03,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:03,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:03,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:03,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:03,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:03,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:03,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:03,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:03,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:03,964 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:03,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:03,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:03,965 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:03,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:03,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:03,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:03,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:03,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:03,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:03,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:03,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:03,970 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:03,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:03,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:03,972 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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d [2023-11-24 23:13:04,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:04,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:04,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:04,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:04,324 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:04,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i [2023-11-24 23:13:07,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:07,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:07,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i [2023-11-24 23:13:07,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data/1966d2922/afa86fb4d8814b279d1088a03c139eaf/FLAG8004df730 [2023-11-24 23:13:07,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data/1966d2922/afa86fb4d8814b279d1088a03c139eaf [2023-11-24 23:13:07,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:07,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:07,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:07,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:07,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:07,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:07" (1/1) ... [2023-11-24 23:13:07,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a849849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:07, skipping insertion in model container [2023-11-24 23:13:07,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:07" (1/1) ... [2023-11-24 23:13:07,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:08,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:09,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:09,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:09,253 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:09,258 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:09,258 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:09,259 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:09,267 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:09,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09 WrapperNode [2023-11-24 23:13:09,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:09,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:09,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:09,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:09,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,334 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2023-11-24 23:13:09,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:09,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:09,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:09,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:09,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:09,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:09,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:09,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:09,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:09,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:09,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:09,623 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:09,625 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:09,736 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:09,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:09,782 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:09,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:09 BoogieIcfgContainer [2023-11-24 23:13:09,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:09,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:09,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:09,796 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:09,796 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:09" (1/1) ... [2023-11-24 23:13:09,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:13:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:13:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:09,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:09,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:10,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:10,146 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:10,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:13:10,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:10 ImpRootNode [2023-11-24 23:13:10,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:10,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:10,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:10,186 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:10,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:09" (3/4) ... [2023-11-24 23:13:10,192 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:10,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:10,194 INFO L158 Benchmark]: Toolchain (without parser) took 2304.90ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 74.7MB in the end (delta: 36.1MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:10,195 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:10,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.51ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 107.9MB in the end (delta: 2.6MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:10,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.46ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 104.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:10,198 INFO L158 Benchmark]: Boogie Preprocessor took 53.30ms. Allocated memory is still 153.1MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:10,199 INFO L158 Benchmark]: RCFGBuilder took 391.67ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 90.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:10,200 INFO L158 Benchmark]: CodeCheck took 397.97ms. Allocated memory is still 153.1MB. Free memory was 90.2MB in the beginning and 75.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:10,201 INFO L158 Benchmark]: Witness Printer took 7.86ms. Allocated memory is still 153.1MB. Free memory was 75.5MB in the beginning and 74.7MB in the end (delta: 882.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:10,211 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_51b_badSink(data) [L1567] 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 0.30ms. Allocated memory is still 117.4MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.51ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 107.9MB in the end (delta: 2.6MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.46ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 104.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.30ms. Allocated memory is still 153.1MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.67ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 90.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 397.97ms. Allocated memory is still 153.1MB. Free memory was 90.2MB in the beginning and 75.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.86ms. Allocated memory is still 153.1MB. Free memory was 75.5MB in the beginning and 74.7MB in the end (delta: 882.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:13:10,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:12,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:13,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:13:13,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:13,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:13,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:13,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:13,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:13,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:13,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:13,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:13,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:13,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:13,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:13,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:13,101 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:13,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:13,101 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:13,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:13,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:13,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:13,104 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:13,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:13,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:13,106 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:13,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:13,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:13,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:13,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:13,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:13,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:13,110 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:13,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:13,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:13,111 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:13,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:13,111 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_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 593440c4bf03b8eb36fc6a6249bf291e1131c945efe4bd7449ddda4e6c77862d [2023-11-24 23:13:13,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:13,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:13,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:13,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:13,563 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:13,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i [2023-11-24 23:13:16,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:17,306 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:17,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_51_bad.i [2023-11-24 23:13:17,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data/b99c5ec01/c2c47fd071ce42c98aacbd4e7a701d65/FLAG468c34551 [2023-11-24 23:13:17,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/data/b99c5ec01/c2c47fd071ce42c98aacbd4e7a701d65 [2023-11-24 23:13:17,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:17,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:17,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:17,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:17,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:17,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:17" (1/1) ... [2023-11-24 23:13:17,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c51e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:17, skipping insertion in model container [2023-11-24 23:13:17,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:17" (1/1) ... [2023-11-24 23:13:17,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:18,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:18,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:18,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:18,873 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,873 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,874 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,874 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,882 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:18,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18 WrapperNode [2023-11-24 23:13:18,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:18,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:18,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:18,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:18,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,959 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2023-11-24 23:13:18,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:18,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:18,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:18,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:18,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:19,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:19,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:19,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:19,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:19,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:19,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:19,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:19,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:19,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:19,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:19,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:19,269 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:19,271 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:19,458 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:19,538 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:19,547 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:19,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:19 BoogieIcfgContainer [2023-11-24 23:13:19,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:19,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:19,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:19,561 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:19,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:19" (1/1) ... [2023-11-24 23:13:19,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:13:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:13:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:19,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:19,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:19,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:13:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:19,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:19,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:20,027 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:13:20,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:13:20,035 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:20,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:13:20,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:20 ImpRootNode [2023-11-24 23:13:20,070 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:20,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:20,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:20,073 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:20,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:19" (3/4) ... [2023-11-24 23:13:20,077 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:20,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:20,080 INFO L158 Benchmark]: Toolchain (without parser) took 2722.17ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.3MB in the beginning and 48.8MB in the end (delta: 7.4MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,080 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:20,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1524.30ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 54.9MB in the end (delta: 1.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.47ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 52.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,083 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 107.0MB. Free memory was 52.0MB in the beginning and 79.2MB in the end (delta: -27.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,085 INFO L158 Benchmark]: RCFGBuilder took 539.16ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 63.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,085 INFO L158 Benchmark]: CodeCheck took 520.01ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 49.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:20,086 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 107.0MB. Free memory was 49.2MB in the beginning and 48.8MB in the end (delta: 377.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:20,097 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_sub_51b_badSink(data) [L1567] 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 0.69ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1524.30ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 54.9MB in the end (delta: 1.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.47ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 52.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 107.0MB. Free memory was 52.0MB in the beginning and 79.2MB in the end (delta: -27.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 539.16ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 63.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 520.01ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 49.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 107.0MB. Free memory was 49.2MB in the beginning and 48.8MB in the end (delta: 377.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:13:20,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf965ca-edb3-4922-9520-76a6dca6f9ad/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