./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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 30db2774ae7c33b2fc3994ebfbc8cdade38c4c896ef77d4c0cfe1bd9ebe3c8ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:42:55,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:42:55,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:42:55,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:42:55,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:42:55,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:42:55,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:42:55,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:42:55,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:42:55,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:42:55,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:42:55,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:42:55,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:42:55,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:42:55,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:42:55,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:42:55,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:42:55,282 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:42:55,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:42:55,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:42:55,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:42:55,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:42:55,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:42:55,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:42:55,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:42:55,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:42:55,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:42:55,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:42:55,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:42:55,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:42:55,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:42:55,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:42:55,289 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_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30db2774ae7c33b2fc3994ebfbc8cdade38c4c896ef77d4c0cfe1bd9ebe3c8ad [2023-12-03 04:42:55,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:42:55,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:42:55,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:42:55,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:42:55,542 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:42:55,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_10_bad.i [2023-12-03 04:42:58,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:42:58,569 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:42:58,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_10_bad.i [2023-12-03 04:42:58,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data/fa4d45b9d/c67da5e241d34b7a9f1b1c3ec0127632/FLAG2d0f0ee7e [2023-12-03 04:42:58,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data/fa4d45b9d/c67da5e241d34b7a9f1b1c3ec0127632 [2023-12-03 04:42:58,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:42:58,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:42:58,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:42:58,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:42:58,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:42:58,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:42:58" (1/1) ... [2023-12-03 04:42:58,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc7b20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:58, skipping insertion in model container [2023-12-03 04:42:58,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:42:58" (1/1) ... [2023-12-03 04:42:58,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:42:59,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:42:59,408 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:42:59,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:42:59,626 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:42:59,626 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:42:59,626 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:42:59,626 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:42:59,632 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:42:59,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59 WrapperNode [2023-12-03 04:42:59,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:42:59,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:42:59,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:42:59,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:42:59,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,687 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-03 04:42:59,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:42:59,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:42:59,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:42:59,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:42:59,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:42:59,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:42:59,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:42:59,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:42:59,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:42:59,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:42:59,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:42:59,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:42:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:42:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:42:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:42:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:42:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:42:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:42:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:42:59,906 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:42:59,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:00,001 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:00,039 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:00,039 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:43:00,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:00 BoogieIcfgContainer [2023-12-03 04:43:00,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:00,042 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:00,042 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:00,052 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:00,052 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:00" (1/1) ... [2023-12-03 04:43:00,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 04:43:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 04:43:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:43:00,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:00,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:00,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:00,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:00,343 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:43:00,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 04:43:00,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:43:00 ImpRootNode [2023-12-03 04:43:00,371 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:43:00,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:43:00,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:43:00,372 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:43:00,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:00" (3/4) ... [2023-12-03 04:43:00,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:43:00,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:43:00,377 INFO L158 Benchmark]: Toolchain (without parser) took 1765.57ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 70.5MB in the end (delta: 36.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-12-03 04:43:00,377 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:00,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1020.66ms. Allocated memory is still 151.0MB. Free memory was 106.6MB in the beginning and 103.3MB in the end (delta: 3.3MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-12-03 04:43:00,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.23ms. Allocated memory is still 151.0MB. Free memory was 103.3MB in the beginning and 100.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:43:00,379 INFO L158 Benchmark]: Boogie Preprocessor took 20.31ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 99.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:00,380 INFO L158 Benchmark]: RCFGBuilder took 332.27ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 85.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:43:00,381 INFO L158 Benchmark]: CodeCheck took 328.99ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 70.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:43:00,381 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 151.0MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:00,384 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1560]: 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_multiply_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [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] [L1556] COND TRUE \read(globalTrue) 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] [L1558] COND TRUE data < 0 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] [L1560] data * 2 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 0.25ms. Allocated memory is still 151.0MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1020.66ms. Allocated memory is still 151.0MB. Free memory was 106.6MB in the beginning and 103.3MB in the end (delta: 3.3MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.23ms. Allocated memory is still 151.0MB. Free memory was 103.3MB in the beginning and 100.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.31ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 99.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.27ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 85.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 328.99ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 70.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 151.0MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:43:00,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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 30db2774ae7c33b2fc3994ebfbc8cdade38c4c896ef77d4c0cfe1bd9ebe3c8ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:43:02,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:43:02,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:43:02,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:43:02,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:43:02,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:43:02,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:43:02,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:43:02,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:43:02,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:43:02,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:43:02,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:43:02,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:43:02,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:43:02,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:43:02,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:43:02,480 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:43:02,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:43:02,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:43:02,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:43:02,482 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:43:02,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:43:02,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:43:02,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:43:02,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:02,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:43:02,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:43:02,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:02,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:43:02,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:43:02,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:43:02,487 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:43:02,488 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:02,488 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:43:02,488 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:43:02,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:43:02,489 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_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30db2774ae7c33b2fc3994ebfbc8cdade38c4c896ef77d4c0cfe1bd9ebe3c8ad [2023-12-03 04:43:02,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:43:02,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:43:02,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:43:02,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:43:02,786 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:43:02,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_10_bad.i [2023-12-03 04:43:05,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:43:05,889 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:43:05,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_10_bad.i [2023-12-03 04:43:05,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data/82205701e/84b5741730b84bf18fea0b8d0886afdf/FLAG20e11113a [2023-12-03 04:43:05,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/data/82205701e/84b5741730b84bf18fea0b8d0886afdf [2023-12-03 04:43:05,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:43:05,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:43:05,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:05,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:43:05,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:43:05,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:05" (1/1) ... [2023-12-03 04:43:05,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fea53bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:05, skipping insertion in model container [2023-12-03 04:43:05,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:05" (1/1) ... [2023-12-03 04:43:06,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:43:06,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:06,784 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:43:06,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:07,007 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:07,007 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:07,007 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:07,008 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:07,015 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:43:07,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07 WrapperNode [2023-12-03 04:43:07,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:07,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:07,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:43:07,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:43:07,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,077 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-03 04:43:07,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:07,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:43:07,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:43:07,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:43:07,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:43:07,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:43:07,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:43:07,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:43:07,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:07,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:43:07,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:43:07,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:43:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:43:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:43:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:43:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:43:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:43:07,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:43:07,352 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:07,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:07,459 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:07,503 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:07,503 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:43:07,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:07 BoogieIcfgContainer [2023-12-03 04:43:07,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:07,506 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:07,506 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:07,516 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:07,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:07" (1/1) ... [2023-12-03 04:43:07,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 04:43:07,580 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 04:43:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:43:07,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:07,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:07,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:07,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:43:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:07,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:07,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:07,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:07,880 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:43:07,903 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 04:43:07,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:43:07 ImpRootNode [2023-12-03 04:43:07,908 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:43:07,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:43:07,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:43:07,909 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:43:07,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:07" (3/4) ... [2023-12-03 04:43:07,912 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:43:07,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:43:07,914 INFO L158 Benchmark]: Toolchain (without parser) took 1979.11ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 64.4MB in the end (delta: 24.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-12-03 04:43:07,914 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:07,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.25ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 52.1MB in the end (delta: 36.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:07,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.66ms. Allocated memory is still 115.3MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:07,916 INFO L158 Benchmark]: Boogie Preprocessor took 35.97ms. Allocated memory is still 115.3MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:07,917 INFO L158 Benchmark]: RCFGBuilder took 390.36ms. Allocated memory is still 115.3MB. Free memory was 47.3MB in the beginning and 79.1MB in the end (delta: -31.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-12-03 04:43:07,917 INFO L158 Benchmark]: CodeCheck took 402.29ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 64.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:43:07,918 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 115.3MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:43:07,921 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1560]: 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_multiply_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [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] [L1556] COND TRUE \read(globalTrue) 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] [L1558] COND TRUE data < 0 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] [L1560] data * 2 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 0.21ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.25ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 52.1MB in the end (delta: 36.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.66ms. Allocated memory is still 115.3MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.97ms. Allocated memory is still 115.3MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.36ms. Allocated memory is still 115.3MB. Free memory was 47.3MB in the beginning and 79.1MB in the end (delta: -31.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * CodeCheck took 402.29ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 64.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 115.3MB. Free memory is still 64.4MB. 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~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:43:07,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ef21c-bae8-4f71-81e8-f8593c0ae4e5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample