./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_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_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/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_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/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_425957d9-08b4-4e37-b6b2-123a252cac2f/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 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:00:03,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:00:03,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:00:03,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:00:03,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:00:03,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:00:03,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:00:03,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:00:03,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:00:03,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:00:03,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:00:03,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:00:03,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:00:03,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:00:03,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:00:03,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:00:03,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:00:03,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:00:03,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:00:03,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:00:03,602 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:00:03,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:00:03,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:00:03,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:00:03,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:00:03,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:03,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:00:03,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:00:03,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:00:03,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:00:03,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:00:03,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:00:03,611 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_425957d9-08b4-4e37-b6b2-123a252cac2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f [2023-12-03 01:00:03,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:00:03,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:00:03,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:00:03,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:00:03,852 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:00:03,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i [2023-12-03 01:00:06,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:00:06,952 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:00:06,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i [2023-12-03 01:00:06,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data/7894e9656/58ea49c0a073412ba6138eb48389176f/FLAG09ac687fd [2023-12-03 01:00:06,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data/7894e9656/58ea49c0a073412ba6138eb48389176f [2023-12-03 01:00:06,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:00:06,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:00:06,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:06,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:00:06,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:00:06,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:06" (1/1) ... [2023-12-03 01:00:06,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6305579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:06, skipping insertion in model container [2023-12-03 01:00:06,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:06" (1/1) ... [2023-12-03 01:00:07,052 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:00:07,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:07,750 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:00:07,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:07,980 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:07,981 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:07,981 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:07,981 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:07,987 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:00:07,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07 WrapperNode [2023-12-03 01:00:07,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:07,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:07,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:00:07,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:00:07,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,042 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-12-03 01:00:08,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:08,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:00:08,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:00:08,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:00:08,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:00:08,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:00:08,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:00:08,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:00:08,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:07" (1/1) ... [2023-12-03 01:00:08,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:08,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:00:08,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:00:08,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:00:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:00:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:00:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:00:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:00:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:00:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:00:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:00:08,257 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:00:08,259 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:00:08,355 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:00:08,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:00:08,396 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:00:08,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:08 BoogieIcfgContainer [2023-12-03 01:00:08,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:00:08,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:00:08,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:00:08,408 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:00:08,408 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:08" (1/1) ... [2023-12-03 01:00:08,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:00:08,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:00:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:00:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:00:08,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:08,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:08,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:00:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:08,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:00:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:08,679 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:00:08,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 01:00:08,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-12-03 01:00:08,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:00:08 ImpRootNode [2023-12-03 01:00:08,704 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:00:08,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:00:08,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:00:08,705 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:00:08,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:08" (3/4) ... [2023-12-03 01:00:08,708 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:00:08,709 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:00:08,710 INFO L158 Benchmark]: Toolchain (without parser) took 1718.93ms. Allocated memory is still 155.2MB. Free memory was 105.6MB in the beginning and 56.1MB in the end (delta: 49.5MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-12-03 01:00:08,710 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 64.4MB in the beginning and 64.2MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:00:08,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.66ms. Allocated memory is still 155.2MB. Free memory was 105.6MB in the beginning and 89.5MB in the end (delta: 16.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-12-03 01:00:08,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.16ms. Allocated memory is still 155.2MB. Free memory was 89.5MB in the beginning and 86.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:00:08,712 INFO L158 Benchmark]: Boogie Preprocessor took 24.43ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 85.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:00:08,713 INFO L158 Benchmark]: RCFGBuilder took 330.54ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 72.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:00:08,713 INFO L158 Benchmark]: CodeCheck took 304.78ms. Allocated memory is still 155.2MB. Free memory was 72.1MB in the beginning and 56.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:00:08,714 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 155.2MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:00:08,717 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)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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 globalFive==5 [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 0.24ms. Allocated memory is still 113.2MB. Free memory was 64.4MB in the beginning and 64.2MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.66ms. Allocated memory is still 155.2MB. Free memory was 105.6MB in the beginning and 89.5MB in the end (delta: 16.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.16ms. Allocated memory is still 155.2MB. Free memory was 89.5MB in the beginning and 86.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.43ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 85.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.54ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 72.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 304.78ms. Allocated memory is still 155.2MB. Free memory was 72.1MB in the beginning and 56.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 155.2MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation 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 [2023-12-03 01:00:08,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/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_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/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_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/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_425957d9-08b4-4e37-b6b2-123a252cac2f/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 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:00:10,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:00:10,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:00:10,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:00:10,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:00:10,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:00:10,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:00:10,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:00:10,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:00:10,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:00:10,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:00:10,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:00:10,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:00:10,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:00:10,902 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:00:10,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:00:10,903 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:00:10,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:00:10,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:00:10,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:00:10,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:00:10,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:00:10,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:00:10,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:00:10,906 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:00:10,907 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:00:10,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:00:10,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:10,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:00:10,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:00:10,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:00:10,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:00:10,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:00:10,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:00:10,910 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:00:10,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:00:10,910 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_425957d9-08b4-4e37-b6b2-123a252cac2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa98af8ab9bf9ee577e4ea447d1ae1577e966bce5274441f8c8f895c522ac0f [2023-12-03 01:00:11,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:00:11,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:00:11,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:00:11,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:00:11,256 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:00:11,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i [2023-12-03 01:00:14,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:00:14,336 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:00:14,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_14_bad.i [2023-12-03 01:00:14,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data/d12497d09/f7c8dc28f5154e7ca7db5ca7c62d380c/FLAG72c72616e [2023-12-03 01:00:14,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/data/d12497d09/f7c8dc28f5154e7ca7db5ca7c62d380c [2023-12-03 01:00:14,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:00:14,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:00:14,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:14,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:00:14,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:00:14,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:14" (1/1) ... [2023-12-03 01:00:14,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de6ca94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:14, skipping insertion in model container [2023-12-03 01:00:14,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:00:14" (1/1) ... [2023-12-03 01:00:14,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:00:15,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:15,291 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:00:15,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:00:15,517 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:15,517 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:15,517 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:15,518 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:00:15,524 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:00:15,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15 WrapperNode [2023-12-03 01:00:15,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:00:15,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:15,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:00:15,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:00:15,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,593 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-12-03 01:00:15,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:00:15,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:00:15,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:00:15,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:00:15,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:00:15,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:00:15,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:00:15,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:00:15,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:15,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:00:15,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:00:15,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:00:15,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:00:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:00:15,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:00:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:00:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:00:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:00:15,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:00:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:00:15,841 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:00:15,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:00:15,946 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:00:15,994 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:00:15,995 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:00:15,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:15 BoogieIcfgContainer [2023-12-03 01:00:15,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:00:15,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:00:15,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:00:16,005 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:00:16,005 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:15" (1/1) ... [2023-12-03 01:00:16,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:00:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:00:16,060 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:00:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:00:16,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:16,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:00:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:00:16,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:00:16,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:00:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:16,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:00:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:16,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:00:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:00:16,369 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:00:16,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:00:16,375 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:00:16,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-03 01:00:16,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-12-03 01:00:16,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:00:16 ImpRootNode [2023-12-03 01:00:16,405 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:00:16,406 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:00:16,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:00:16,406 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:00:16,407 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:15" (3/4) ... [2023-12-03 01:00:16,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:00:16,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:00:16,411 INFO L158 Benchmark]: Toolchain (without parser) took 2033.01ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 62.4MB in the beginning and 76.7MB in the end (delta: -14.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-12-03 01:00:16,412 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:00:16,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1146.00ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 38.6MB in the end (delta: 23.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-12-03 01:00:16,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.23ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 38.6MB in the beginning and 80.8MB in the end (delta: -42.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-12-03 01:00:16,413 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 111.1MB. Free memory was 80.8MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:00:16,414 INFO L158 Benchmark]: RCFGBuilder took 365.26ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 63.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:00:16,415 INFO L158 Benchmark]: CodeCheck took 407.99ms. Allocated memory is still 111.1MB. Free memory was 63.1MB in the beginning and 77.5MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:00:16,415 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 813.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:00:16,419 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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 globalFive==5 [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 0.19ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1146.00ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 38.6MB in the end (delta: 23.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.23ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 38.6MB in the beginning and 80.8MB in the end (delta: -42.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 111.1MB. Free memory was 80.8MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.26ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 63.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 407.99ms. Allocated memory is still 111.1MB. Free memory was 63.1MB in the beginning and 77.5MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 76.7MB in the end (delta: 813.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 [2023-12-03 01:00:16,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425957d9-08b4-4e37-b6b2-123a252cac2f/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