./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:07,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:07,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:13:07,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:07,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:07,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:07,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:07,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:07,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:07,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:07,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:07,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:07,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:07,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:07,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:07,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:07,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:07,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:07,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:07,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:07,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:07,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:07,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:07,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:07,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:07,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:07,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:07,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:07,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:07,254 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:07,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:07,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:07,256 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_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de [2023-11-24 23:13:07,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:07,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:07,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:07,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:07,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:07,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i [2023-11-24 23:13:10,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:11,182 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:11,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i [2023-11-24 23:13:11,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data/733864e11/27dcd43304364de49ed1f9d905cd156a/FLAG6d4da82ed [2023-11-24 23:13:11,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data/733864e11/27dcd43304364de49ed1f9d905cd156a [2023-11-24 23:13:11,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:11,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:11,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:11,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:11,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:11,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:11" (1/1) ... [2023-11-24 23:13:11,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b02c892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:11, skipping insertion in model container [2023-11-24 23:13:11,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:11" (1/1) ... [2023-11-24 23:13:11,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:12,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:12,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:12,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:12,701 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:12,701 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:12,702 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:12,702 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:12,710 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:12,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12 WrapperNode [2023-11-24 23:13:12,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:12,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:12,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:12,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:12,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,782 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-24 23:13:12,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:12,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:12,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:12,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:12,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:12,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:12,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:12,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:12,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:12" (1/1) ... [2023-11-24 23:13:12,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:12,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:12,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:12,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:13,110 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:13,119 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:13,230 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:13,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:13,275 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:13:13,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:13 BoogieIcfgContainer [2023-11-24 23:13:13,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:13,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:13,278 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:13,287 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:13,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:13" (1/1) ... [2023-11-24 23:13:13,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:13:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:13:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:13:13,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:13,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:13,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:13,600 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:13,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:13:13,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-24 23:13:13,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:13 ImpRootNode [2023-11-24 23:13:13,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:13,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:13,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:13,630 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:13,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:13" (3/4) ... [2023-11-24 23:13:13,633 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:13,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:13,635 INFO L158 Benchmark]: Toolchain (without parser) took 2390.77ms. Allocated memory is still 148.9MB. Free memory was 107.4MB in the beginning and 89.6MB in the end (delta: 17.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:13,636 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:13,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.96ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 44.4MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:13,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.47ms. Allocated memory is still 148.9MB. Free memory was 44.4MB in the beginning and 41.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:13,638 INFO L158 Benchmark]: Boogie Preprocessor took 64.28ms. Allocated memory is still 148.9MB. Free memory was 41.8MB in the beginning and 118.8MB in the end (delta: -77.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:13,638 INFO L158 Benchmark]: RCFGBuilder took 428.20ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 105.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:13,639 INFO L158 Benchmark]: CodeCheck took 351.01ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 90.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:13,640 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 148.9MB. Free memory was 90.5MB in the beginning and 89.6MB in the end (delta: 882.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:13,644 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, 14 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.96ms. Allocated memory is still 148.9MB. Free memory was 106.8MB in the beginning and 44.4MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.47ms. Allocated memory is still 148.9MB. Free memory was 44.4MB in the beginning and 41.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.28ms. Allocated memory is still 148.9MB. Free memory was 41.8MB in the beginning and 118.8MB in the end (delta: -77.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 428.20ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 105.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 351.01ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 90.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 148.9MB. Free memory was 90.5MB in the beginning and 89.6MB in the end (delta: 882.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 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 [2023-11-24 23:13:13,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:16,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:16,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:13:16,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:16,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:16,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:16,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:16,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:16,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:16,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:16,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:16,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:16,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:16,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:16,557 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:16,557 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:16,558 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:16,558 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:16,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:16,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:16,561 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:16,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:16,563 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:16,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:16,564 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:16,565 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:16,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:16,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:16,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:16,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:16,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:16,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:16,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:16,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:16,571 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:16,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:16,572 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_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de [2023-11-24 23:13:17,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:17,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:17,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:17,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:17,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:17,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i [2023-11-24 23:13:20,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:21,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:21,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i [2023-11-24 23:13:21,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data/4055e17f6/87f8d56291394098afb4090317df42a8/FLAG05bf09945 [2023-11-24 23:13:21,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/data/4055e17f6/87f8d56291394098afb4090317df42a8 [2023-11-24 23:13:21,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:21,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:21,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:21,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:21,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:21,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:21" (1/1) ... [2023-11-24 23:13:21,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412ee225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:21, skipping insertion in model container [2023-11-24 23:13:21,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:21" (1/1) ... [2023-11-24 23:13:21,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:22,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:22,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:22,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:23,108 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:23,108 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:23,109 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:23,109 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:23,117 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:23,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23 WrapperNode [2023-11-24 23:13:23,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:23,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:23,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:23,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:23,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,207 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-24 23:13:23,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:23,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:23,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:23,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:23,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:23,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:23,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:23,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:23,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:23,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:23,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:23,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:23,592 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:23,595 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:23,784 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:23,874 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:23,884 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:13:23,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:23 BoogieIcfgContainer [2023-11-24 23:13:23,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:23,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:23,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:23,899 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:23,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:23" (1/1) ... [2023-11-24 23:13:23,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:13:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:13:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:13:24,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:24,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:24,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:24,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:24,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:13:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:24,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:24,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:24,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:13:24,420 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:13:24,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 23:13:24,448 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-24 23:13:24,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:24 ImpRootNode [2023-11-24 23:13:24,452 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:24,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:24,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:24,453 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:24,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:23" (3/4) ... [2023-11-24 23:13:24,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:24,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:24,463 INFO L158 Benchmark]: Toolchain (without parser) took 3148.90ms. Allocated memory is still 119.5MB. Free memory was 92.1MB in the beginning and 69.4MB in the end (delta: 22.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-24 23:13:24,463 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:24,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1802.70ms. Allocated memory is still 119.5MB. Free memory was 91.7MB in the beginning and 58.7MB in the end (delta: 33.0MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-24 23:13:24,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.81ms. Allocated memory is still 119.5MB. Free memory was 58.7MB in the beginning and 55.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:24,467 INFO L158 Benchmark]: Boogie Preprocessor took 41.47ms. Allocated memory is still 119.5MB. Free memory was 55.5MB in the beginning and 54.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:24,468 INFO L158 Benchmark]: RCFGBuilder took 636.34ms. Allocated memory is still 119.5MB. Free memory was 54.0MB in the beginning and 84.1MB in the end (delta: -30.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-24 23:13:24,469 INFO L158 Benchmark]: CodeCheck took 563.93ms. Allocated memory is still 119.5MB. Free memory was 84.1MB in the beginning and 69.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:24,470 INFO L158 Benchmark]: Witness Printer took 9.50ms. Allocated memory is still 119.5MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:24,480 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 75.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1802.70ms. Allocated memory is still 119.5MB. Free memory was 91.7MB in the beginning and 58.7MB in the end (delta: 33.0MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.81ms. Allocated memory is still 119.5MB. Free memory was 58.7MB in the beginning and 55.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.47ms. Allocated memory is still 119.5MB. Free memory was 55.5MB in the beginning and 54.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.34ms. Allocated memory is still 119.5MB. Free memory was 54.0MB in the beginning and 84.1MB in the end (delta: -30.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * CodeCheck took 563.93ms. Allocated memory is still 119.5MB. Free memory was 84.1MB in the beginning and 69.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.50ms. Allocated memory is still 119.5MB. Free memory is still 69.4MB. 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~nondet98 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 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 [2023-11-24 23:13:24,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d3675d-b4b2-4bfd-af9a-6564d8303ea6/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