./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_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_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:14:21,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:14:21,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:14:21,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:14:21,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:14:21,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:14:21,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:14:21,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:14:21,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:14:21,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:14:21,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:14:21,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:14:21,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:14:21,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:14:21,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:14:21,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:14:21,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:14:21,275 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:14:21,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:14:21,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:14:21,276 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:14:21,277 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:14:21,278 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:14:21,278 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:14:21,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:14:21,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:14:21,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:14:21,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:14:21,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:14:21,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:14:21,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:14:21,282 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:14:21,282 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_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 [2023-12-02 22:14:21,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:14:21,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:14:21,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:14:21,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:14:21,511 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:14:21,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-12-02 22:14:24,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:14:24,593 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:14:24,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-12-02 22:14:24,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data/792b69192/b0ee6a664ab84bf1ba1ac5cebad923be/FLAGdd58bd238 [2023-12-02 22:14:24,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data/792b69192/b0ee6a664ab84bf1ba1ac5cebad923be [2023-12-02 22:14:24,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:14:24,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:14:24,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:24,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:14:24,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:14:24,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:24" (1/1) ... [2023-12-02 22:14:24,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ea2f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:24, skipping insertion in model container [2023-12-02 22:14:24,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:24" (1/1) ... [2023-12-02 22:14:24,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:14:25,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:25,456 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:14:25,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:25,700 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:25,700 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:25,700 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:25,701 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:25,708 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:14:25,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25 WrapperNode [2023-12-02 22:14:25,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:25,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:25,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:14:25,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:14:25,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,766 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2023-12-02 22:14:25,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:25,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:14:25,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:14:25,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:14:25,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:14:25,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:14:25,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:14:25,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:14:25,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:25" (1/1) ... [2023-12-02 22:14:25,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:14:25,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:14:25,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:14:25,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:14:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:14:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:14:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:14:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:14:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:14:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:14:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:14:26,013 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:14:26,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:14:26,113 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:14:26,157 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:14:26,158 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:14:26,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:26 BoogieIcfgContainer [2023-12-02 22:14:26,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:14:26,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:14:26,161 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:14:26,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:14:26,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:26" (1/1) ... [2023-12-02 22:14:26,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:14:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 22:14:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 22:14:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:14:26,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:26,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:14:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:26,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:14:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:26,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:14:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:26,462 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:14:26,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 22:14:26,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-12-02 22:14:26,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:14:26 ImpRootNode [2023-12-02 22:14:26,487 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:14:26,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:14:26,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:14:26,489 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:14:26,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:26" (3/4) ... [2023-12-02 22:14:26,492 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:14:26,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:14:26,494 INFO L158 Benchmark]: Toolchain (without parser) took 1858.59ms. Allocated memory is still 148.9MB. Free memory was 99.6MB in the beginning and 58.4MB in the end (delta: 41.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2023-12-02 22:14:26,494 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:26,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.60ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 93.1MB in the end (delta: 6.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-12-02 22:14:26,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.31ms. Allocated memory is still 148.9MB. Free memory was 93.1MB in the beginning and 89.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:14:26,496 INFO L158 Benchmark]: Boogie Preprocessor took 24.53ms. Allocated memory is still 148.9MB. Free memory was 89.8MB in the beginning and 88.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:26,496 INFO L158 Benchmark]: RCFGBuilder took 367.73ms. Allocated memory is still 148.9MB. Free memory was 88.6MB in the beginning and 74.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:14:26,497 INFO L158 Benchmark]: CodeCheck took 327.11ms. Allocated memory is still 148.9MB. Free memory was 74.3MB in the beginning and 58.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:14:26,497 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 148.9MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:26,501 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: 1582]: 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)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_min_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_postdec_54e_badSink(data) [L1582] 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 0.21ms. Allocated memory is still 104.9MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.60ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 93.1MB in the end (delta: 6.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.31ms. Allocated memory is still 148.9MB. Free memory was 93.1MB in the beginning and 89.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.53ms. Allocated memory is still 148.9MB. Free memory was 89.8MB in the beginning and 88.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.73ms. Allocated memory is still 148.9MB. Free memory was 88.6MB in the beginning and 74.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 327.11ms. Allocated memory is still 148.9MB. Free memory was 74.3MB in the beginning and 58.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 148.9MB. Free memory is still 58.4MB. 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 Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:14:26,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:14:28,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:14:28,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:14:28,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:14:28,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:14:28,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:14:28,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:14:28,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:14:28,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:14:28,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:14:28,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:14:28,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:14:28,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:14:28,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:14:28,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:14:28,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:14:28,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:14:28,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:14:28,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:14:28,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:14:28,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:14:28,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:14:28,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:14:28,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:14:28,591 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:28,591 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:14:28,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:14:28,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:14:28,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:14:28,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:14:28,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:14:28,594 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:14:28,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:28,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:14:28,595 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:14:28,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:14:28,595 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_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec5de2d7fe8b9ee453b536943b11853235e43bb3f6f725936c3e99e5ed80097 [2023-12-02 22:14:28,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:14:28,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:14:28,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:14:28,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:14:28,899 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:14:28,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-12-02 22:14:31,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:14:32,055 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:14:32,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_54_bad.i [2023-12-02 22:14:32,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data/6c84e96d4/1dd3d349b4014a27b19208d18a683728/FLAGe2e06b179 [2023-12-02 22:14:32,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/data/6c84e96d4/1dd3d349b4014a27b19208d18a683728 [2023-12-02 22:14:32,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:14:32,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:14:32,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:32,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:14:32,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:14:32,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:32" (1/1) ... [2023-12-02 22:14:32,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574d282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:32, skipping insertion in model container [2023-12-02 22:14:32,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:14:32" (1/1) ... [2023-12-02 22:14:32,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:14:32,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:32,934 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:14:33,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:14:33,148 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:33,148 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:33,148 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:33,148 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:14:33,154 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:14:33,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33 WrapperNode [2023-12-02 22:14:33,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:14:33,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:33,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:14:33,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:14:33,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,215 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2023-12-02 22:14:33,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:14:33,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:14:33,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:14:33,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:14:33,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:14:33,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:14:33,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:14:33,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:14:33,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:14:33,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:14:33,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:14:33,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:14:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:14:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:14:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:14:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:14:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:14:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:14:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:14:33,482 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:14:33,485 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:14:33,600 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:14:33,653 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:14:33,653 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:14:33,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:33 BoogieIcfgContainer [2023-12-02 22:14:33,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:14:33,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:14:33,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:14:33,668 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:14:33,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:33" (1/1) ... [2023-12-02 22:14:33,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:14:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:14:33,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 22:14:33,743 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 22:14:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:14:33,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:14:33,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:14:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:14:33,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:14:33,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:14:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:33,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:14:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:34,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:14:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:14:34,065 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:14:34,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:14:34,068 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:14:34,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 22:14:34,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-12-02 22:14:34,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:14:34 ImpRootNode [2023-12-02 22:14:34,096 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:14:34,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:14:34,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:14:34,097 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:14:34,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:14:33" (3/4) ... [2023-12-02 22:14:34,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:14:34,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:14:34,102 INFO L158 Benchmark]: Toolchain (without parser) took 2007.94ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.3MB in the beginning and 58.7MB in the end (delta: -26.4MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2023-12-02 22:14:34,103 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:34,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1059.86ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.2MB in the beginning and 66.3MB in the end (delta: -34.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 22:14:34,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.43ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:14:34,105 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:34,106 INFO L158 Benchmark]: RCFGBuilder took 402.65ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 44.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:14:34,106 INFO L158 Benchmark]: CodeCheck took 439.83ms. Allocated memory is still 94.4MB. Free memory was 44.9MB in the beginning and 59.3MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:34,107 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 58.7MB in the end (delta: 576.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:14:34,110 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: 1582]: 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_postdec_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_postdec_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_postdec_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_postdec_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_min_postdec_54e_badSink(data) [L1582] 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 0.21ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1059.86ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.2MB in the beginning and 66.3MB in the end (delta: -34.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.43ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 63.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 402.65ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 44.9MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 439.83ms. Allocated memory is still 94.4MB. Free memory was 44.9MB in the beginning and 59.3MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 58.7MB in the end (delta: 576.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:14:34,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_735d7f69-d085-497c-a33e-ccc17db2aea3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample